Annotation of html5/spec/the-form-element.html, revision 1.113
1.88 mike 1: <!DOCTYPE html>
1.96 mike 2: <html lang="en-US-x-Hixie"><head><title>4.10.3 The form element — HTML5</title><link rel="stylesheet" href="alert.css"><style type="text/css">
1.1 mike 3: pre { margin-left: 2em; white-space: pre-wrap; }
4: h2 { margin: 3em 0 1em 0; }
5: h3 { margin: 2.5em 0 1em 0; }
6: h4 { margin: 2.5em 0 0.75em 0; }
7: h5, h6 { margin: 2.5em 0 1em; }
8: h1 + h2, h1 + h2 + h2 { margin: 0.75em 0 0.75em; }
9: h2 + h3, h3 + h4, h4 + h5, h5 + h6 { margin-top: 0.5em; }
10: p { margin: 1em 0; }
11: hr:not(.top) { display: block; background: none; border: none; padding: 0; margin: 2em 0; height: auto; }
12: dl, dd { margin-top: 0; margin-bottom: 0; }
13: dt { margin-top: 0.75em; margin-bottom: 0.25em; clear: left; }
14: dt + dt { margin-top: 0; }
15: dd dt { margin-top: 0.25em; margin-bottom: 0; }
16: dd p { margin-top: 0; }
17: dd dl + p { margin-top: 1em; }
18: dd table + p { margin-top: 1em; }
19: p + * > li, dd li { margin: 1em 0; }
20: dt, dfn { font-weight: bold; font-style: normal; }
21: i, em { font-style: italic; }
22: dt dfn { font-style: italic; }
23: pre, code { font-size: inherit; font-family: monospace; font-variant: normal; }
24: pre strong { color: black; font: inherit; font-weight: bold; background: yellow; }
25: pre em { font-weight: bolder; font-style: normal; }
26: @media screen { code { color: orangered; } code :link, code :visited { color: inherit; } }
27: var sub { vertical-align: bottom; font-size: smaller; position: relative; top: 0.1em; }
28: table { border-collapse: collapse; border-style: hidden hidden none hidden; }
29: table thead, table tbody { border-bottom: solid; }
30: table tbody th:first-child { border-left: solid; }
31: table tbody th { text-align: left; }
32: table td, table th { border-left: solid; border-right: solid; border-bottom: solid thin; vertical-align: top; padding: 0.2em; }
33: blockquote { margin: 0 0 0 2em; border: 0; padding: 0; font-style: italic; }
34:
35: .bad, .bad *:not(.XXX) { color: gray; border-color: gray; background: transparent; }
36: .matrix, .matrix td { border: none; text-align: right; }
37: .matrix { margin-left: 2em; }
38: .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
39: .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
40: .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
41:
42: .toc dfn, h1 dfn, h2 dfn, h3 dfn, h4 dfn, h5 dfn, h6 dfn { font: inherit; }
43: img.extra, p.overview { float: right; }
44: pre.idl { border: solid thin; background: #EEEEEE; color: black; padding: 0.5em 1em; position: relative; }
45: pre.idl :link, pre.idl :visited { color: inherit; background: transparent; }
46: pre.idl::before { content: "IDL"; font: bold small sans-serif; padding: 0.5em; background: white; position: absolute; top: 0; margin: -1px 0 0 -4em; width: 1.5em; border: thin solid; border-radius: 0 0 0 0.5em }
47: pre.css { border: solid thin; background: #FFFFEE; color: black; padding: 0.5em 1em; }
48: pre.css:first-line { color: #AAAA50; }
49: dl.domintro { color: green; margin: 2em 0 2em 2em; padding: 0.5em 1em; border: none; background: #DDFFDD; }
50: hr + dl.domintro, div.impl + dl.domintro { margin-top: 2.5em; margin-bottom: 1.5em; }
51: dl.domintro dt, dl.domintro dt * { color: black; text-decoration: none; }
52: dl.domintro dd { margin: 0.5em 0 1em 2em; padding: 0; }
53: dl.domintro dd p { margin: 0.5em 0; }
54: dl.domintro:before { display: table; margin: -1em -0.5em -0.5em auto; width: auto; content: 'This box is non-normative. Implementation requirements are given below this box.'; color: black; font-style: italic; border: solid 2px; background: white; padding: 0 0.25em; }
55: dl.switch { padding-left: 2em; }
56: dl.switch > dt { text-indent: -1.5em; }
57: dl.switch > dt:before { content: '\21AA'; padding: 0 0.5em 0 0; display: inline-block; width: 1em; text-align: right; line-height: 0.5em; }
58: dl.triple { padding: 0 0 0 1em; }
59: dl.triple dt, dl.triple dd { margin: 0; display: inline }
60: dl.triple dt:after { content: ':'; }
61: dl.triple dd:after { content: '\A'; white-space: pre; }
62: .diff-old { text-decoration: line-through; color: silver; background: transparent; }
63: .diff-chg, .diff-new { text-decoration: underline; color: green; background: transparent; }
64: a .diff-new { border-bottom: 1px blue solid; }
65:
66: h2 { page-break-before: always; }
67: h1, h2, h3, h4, h5, h6 { page-break-after: avoid; }
68: h1 + h2, hr + h2.no-toc { page-break-before: auto; }
69:
70: p > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]),
71: li > span:not([title=""]):not([class="XXX"]):not([class="impl"]):not([class="note"]), { border-bottom: solid #9999CC; }
72:
73: div.head { margin: 0 0 1em; padding: 1em 0 0 0; }
74: div.head p { margin: 0; }
75: div.head h1 { margin: 0; }
76: div.head .logo { float: right; margin: 0 1em; }
77: div.head .logo img { border: none } /* remove border from top image */
78: div.head dl { margin: 1em 0; }
79: div.head p.copyright, div.head p.alt { font-size: x-small; font-style: oblique; margin: 0; }
80:
81: body > .toc > li { margin-top: 1em; margin-bottom: 1em; }
82: body > .toc.brief > li { margin-top: 0.35em; margin-bottom: 0.35em; }
83: body > .toc > li > * { margin-bottom: 0.5em; }
84: body > .toc > li > * > li > * { margin-bottom: 0.25em; }
85: .toc, .toc li { list-style: none; }
86:
87: .brief { margin-top: 1em; margin-bottom: 1em; line-height: 1.1; }
88: .brief li { margin: 0; padding: 0; }
89: .brief li p { margin: 0; padding: 0; }
90:
91: .category-list { margin-top: -0.75em; margin-bottom: 1em; line-height: 1.5; }
92: .category-list::before { content: '\21D2\A0'; font-size: 1.2em; font-weight: 900; }
93: .category-list li { display: inline; }
94: .category-list li:not(:last-child)::after { content: ', '; }
95: .category-list li > span, .category-list li > a { text-transform: lowercase; }
96: .category-list li * { text-transform: none; } /* don't affect <code> nested in <a> */
97:
98: .XXX { color: #E50000; background: white; border: solid red; padding: 0.5em; margin: 1em 0; }
99: .XXX > :first-child { margin-top: 0; }
100: p .XXX { line-height: 3em; }
101: .annotation { border: solid thin black; background: #0C479D; color: white; position: relative; margin: 8px 0 20px 0; }
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104: .annotation :link:hover, .annotation :visited:hover { background: transparent; }
105: .annotation span { border: none ! important; }
106: .note { color: green; background: transparent; font-family: sans-serif; }
107: .warning { color: red; background: transparent; }
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110: p.note, div.note { padding: 0.5em 2em; }
111: span.note { padding: 0 2em; }
112: .note p:first-child, .warning p:first-child { margin-top: 0; }
113: .note p:last-child, .warning p:last-child { margin-bottom: 0; }
114: .warning:before { font-style: normal; }
115: p.note:before { content: 'Note: '; }
116: p.warning:before { content: '\26A0 Warning! '; }
117:
118: .bookkeeping:before { display: block; content: 'Bookkeeping details'; font-weight: bolder; font-style: italic; }
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120: .bookkeeping p { margin: 0.5em 2em; display: list-item; list-style: square; }
121: .bookkeeping dt { margin: 0.5em 2em 0; }
122: .bookkeeping dd { margin: 0 3em 0.5em; }
123:
124: h4 { position: relative; z-index: 3; }
125: h4 + .element, h4 + div + .element { margin-top: -2.5em; padding-top: 2em; }
126: .element {
127: background: #EEEEFF;
128: color: black;
129: margin: 0 0 1em 0.15em;
130: padding: 0 1em 0.25em 0.75em;
131: border-left: solid #9999FF 0.25em;
132: position: relative;
133: z-index: 1;
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137: z-index: 2;
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139: left: -1.15em;
140: height: 2em;
141: width: 0.9em;
142: background: #EEEEFF;
143: content: ' ';
144: border-style: none none solid solid;
145: border-color: #9999FF;
146: border-width: 0.25em;
147: }
148:
149: .example { display: block; color: #222222; background: #FCFCFC; border-left: double; margin-left: 2em; padding-left: 1em; }
150: td > .example:only-child { margin: 0 0 0 0.1em; }
151:
152: ul.domTree, ul.domTree ul { padding: 0 0 0 1em; margin: 0; }
153: ul.domTree li { padding: 0; margin: 0; list-style: none; position: relative; }
154: ul.domTree li li { list-style: none; }
155: ul.domTree li:first-child::before { position: absolute; top: 0; height: 0.6em; left: -0.75em; width: 0.5em; border-style: none none solid solid; content: ''; border-width: 0.1em; }
156: ul.domTree li:not(:last-child)::after { position: absolute; top: 0; bottom: -0.6em; left: -0.75em; width: 0.5em; border-style: none none solid solid; content: ''; border-width: 0.1em; }
157: ul.domTree span { font-style: italic; font-family: serif; }
158: ul.domTree .t1 code { color: purple; font-weight: bold; }
159: ul.domTree .t2 { font-style: normal; font-family: monospace; }
160: ul.domTree .t2 .name { color: black; font-weight: bold; }
161: ul.domTree .t2 .value { color: blue; font-weight: normal; }
162: ul.domTree .t3 code, .domTree .t4 code, .domTree .t5 code { color: gray; }
163: ul.domTree .t7 code, .domTree .t8 code { color: green; }
164: ul.domTree .t10 code { color: teal; }
165:
166: body.dfnEnabled dfn { cursor: pointer; }
167: .dfnPanel {
168: display: inline;
169: position: absolute;
170: z-index: 10;
171: height: auto;
172: width: auto;
173: padding: 0.5em 0.75em;
174: font: small sans-serif, Droid Sans Fallback;
175: background: #DDDDDD;
176: color: black;
177: border: outset 0.2em;
178: }
179: .dfnPanel * { margin: 0; padding: 0; font: inherit; text-indent: 0; }
180: .dfnPanel :link, .dfnPanel :visited { color: black; }
181: .dfnPanel p { font-weight: bolder; }
182: .dfnPanel * + p { margin-top: 0.25em; }
183: .dfnPanel li { list-style-position: inside; }
184:
185: #configUI { position: absolute; z-index: 20; top: 10em; right: 1em; width: 11em; font-size: small; }
186: #configUI p { margin: 0.5em 0; padding: 0.3em; background: #EEEEEE; color: black; border: inset thin; }
187: #configUI p label { display: block; }
188: #configUI #updateUI, #configUI .loginUI { text-align: center; }
189: #configUI input[type=button] { display: block; margin: auto; }
190:
191: fieldset { margin: 1em; padding: 0.5em 1em; }
192: fieldset > legend + * { margin-top: 0; }
193: fieldset > :last-child { margin-bottom: 0; }
194: fieldset p { margin: 0.5em 0; }
195:
1.85 mike 196: .stability {
197: position: fixed;
198: bottom: 0;
199: left: 0; right: 0;
200: margin: 0 auto 0 auto;
201: width: 50%;
202: background: maroon; color: yellow;
203: -webkit-border-radius: 1em 1em 0 0;
204: -moz-border-radius: 1em 1em 0 0;
205: border-radius: 1em 1em 0 0;
206: -moz-box-shadow: 0 0 1em #500;
207: -webkit-box-shadow: 0 0 1em #500;
208: box-shadow: 0 0 1em red;
209: padding: 0.5em 1em;
210: text-align: center;
211: }
212: .stability strong {
213: display: block;
214: }
215: .stability input {
216: appearance: none; margin: 0; border: 0; padding: 0.25em 0.5em; background: transparent; color: black;
217: position: absolute; top: -0.5em; right: 0; font: 1.25em sans-serif; text-align: center;
218: }
219: .stability input:hover {
220: color: white;
221: text-shadow: 0 0 2px black;
222: }
223: .stability input:active {
224: padding: 0.3em 0.45em 0.2em 0.55em;
225: }
226: .stability :link, .stability :visited,
227: .stability :link:hover, .stability :visited:hover {
228: background: transparent;
229: color: white;
230: }
231:
232: </style><link href="http://www.w3.org/StyleSheets/TR/W3C-WD" rel="stylesheet" type="text/css"><meta content="noindex" name="robots"><style type="text/css">
1.1 mike 233:
234: .applies thead th > * { display: block; }
235: .applies thead code { display: block; }
236: .applies tbody th { whitespace: nowrap; }
237: .applies td { text-align: center; }
238: .applies .yes { background: yellow; }
239:
240: .matrix, .matrix td { border: hidden; text-align: right; }
241: .matrix { margin-left: 2em; }
242:
243: .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
244: .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
245: .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
246:
247: td.eg { border-width: thin; text-align: center; }
248:
249: #table-example-1 { border: solid thin; border-collapse: collapse; margin-left: 3em; }
250: #table-example-1 * { font-family: "Essays1743", serif; line-height: 1.01em; }
251: #table-example-1 caption { padding-bottom: 0.5em; }
252: #table-example-1 thead, #table-example-1 tbody { border: none; }
253: #table-example-1 th, #table-example-1 td { border: solid thin; }
254: #table-example-1 th { font-weight: normal; }
255: #table-example-1 td { border-style: none solid; vertical-align: top; }
256: #table-example-1 th { padding: 0.5em; vertical-align: middle; text-align: center; }
257: #table-example-1 tbody tr:first-child td { padding-top: 0.5em; }
258: #table-example-1 tbody tr:last-child td { padding-bottom: 1.5em; }
259: #table-example-1 tbody td:first-child { padding-left: 2.5em; padding-right: 0; width: 9em; }
260: #table-example-1 tbody td:first-child::after { content: leader(". "); }
261: #table-example-1 tbody td { padding-left: 2em; padding-right: 2em; }
262: #table-example-1 tbody td:first-child + td { width: 10em; }
263: #table-example-1 tbody td:first-child + td ~ td { width: 2.5em; }
264: #table-example-1 tbody td:first-child + td + td + td ~ td { width: 1.25em; }
265:
266: .apple-table-examples { border: none; border-collapse: separate; border-spacing: 1.5em 0em; width: 40em; margin-left: 3em; }
267: .apple-table-examples * { font-family: "Times", serif; }
268: .apple-table-examples td, .apple-table-examples th { border: none; white-space: nowrap; padding-top: 0; padding-bottom: 0; }
269: .apple-table-examples tbody th:first-child { border-left: none; width: 100%; }
270: .apple-table-examples thead th:first-child ~ th { font-size: smaller; font-weight: bolder; border-bottom: solid 2px; text-align: center; }
271: .apple-table-examples tbody th::after, .apple-table-examples tfoot th::after { content: leader(". ") }
272: .apple-table-examples tbody th, .apple-table-examples tfoot th { font: inherit; text-align: left; }
273: .apple-table-examples td { text-align: right; vertical-align: top; }
274: .apple-table-examples.e1 tbody tr:last-child td { border-bottom: solid 1px; }
275: .apple-table-examples.e1 tbody + tbody tr:last-child td { border-bottom: double 3px; }
276: .apple-table-examples.e2 th[scope=row] { padding-left: 1em; }
277: .apple-table-examples sup { line-height: 0; }
278:
279: .details-example img { vertical-align: top; }
280:
281: #base64-table {
282: white-space: nowrap;
283: font-size: 0.6em;
284: column-width: 6em;
285: column-count: 5;
286: column-gap: 1em;
287: -moz-column-width: 6em;
288: -moz-column-count: 5;
289: -moz-column-gap: 1em;
290: -webkit-column-width: 6em;
291: -webkit-column-count: 5;
292: -webkit-column-gap: 1em;
293: }
294: #base64-table thead { display: none; }
295: #base64-table * { border: none; }
296: #base64-table tbody td:first-child:after { content: ':'; }
297: #base64-table tbody td:last-child { text-align: right; }
298:
299: #named-character-references-table {
300: white-space: nowrap;
301: font-size: 0.6em;
302: column-width: 30em;
303: column-gap: 1em;
304: -moz-column-width: 30em;
305: -moz-column-gap: 1em;
306: -webkit-column-width: 30em;
307: -webkit-column-gap: 1em;
308: }
309: #named-character-references-table > table > tbody > tr > td:first-child + td,
310: #named-character-references-table > table > tbody > tr > td:last-child { text-align: center; }
311: #named-character-references-table > table > tbody > tr > td:last-child:hover > span { position: absolute; top: auto; left: auto; margin-left: 0.5em; line-height: 1.2; font-size: 5em; border: outset; padding: 0.25em 0.5em; background: white; width: 1.25em; height: auto; text-align: center; }
312: #named-character-references-table > table > tbody > tr#entity-CounterClockwiseContourIntegral > td:first-child { font-size: 0.5em; }
313:
314: .glyph.control { color: red; }
315:
316: @font-face {
317: font-family: 'Essays1743';
318: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743.ttf');
319: }
320: @font-face {
321: font-family: 'Essays1743';
322: font-weight: bold;
323: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-Bold.ttf');
324: }
325: @font-face {
326: font-family: 'Essays1743';
327: font-style: italic;
328: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-Italic.ttf');
329: }
330: @font-face {
331: font-family: 'Essays1743';
332: font-style: italic;
333: font-weight: bold;
334: src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-BoldItalic.ttf');
335: }
336:
337: </style><link href="data:text/css," id="complete" rel="stylesheet" title="Complete specification"><link href="data:text/css,.impl%20%7B%20display:%20none;%20%7D%0Ahtml%20%7B%20border:%20solid%20yellow;%20%7D%20.domintro:before%20%7B%20display:%20none;%20%7D" id="author" rel="alternate stylesheet" title="Author documentation only"><link href="data:text/css,.impl%20%7B%20background:%20%23FFEEEE;%20%7D%20.domintro:before%20%7B%20background:%20%23FFEEEE;%20%7D" id="highlight" rel="alternate stylesheet" title="Highlight implementation requirements"><script type="text/javascript">
338: function getCookie(name) {
339: var params = location.search.substr(1).split("&");
340: for (var index = 0; index < params.length; index++) {
341: if (params[index] == name)
342: return "1";
343: var data = params[index].split("=");
344: if (data[0] == name)
345: return unescape(data[1]);
346: }
347: var cookies = document.cookie.split("; ");
348: for (var index = 0; index < cookies.length; index++) {
349: var data = cookies[index].split("=");
350: if (data[0] == name)
351: return unescape(data[1]);
352: }
353: return null;
354: }
1.96 mike 355: </script>
1.1 mike 356: <script src="link-fixup.js"></script>
357: <link href="forms.html" title="4.10 Forms" rel="prev">
358: <link href="index.html#contents" title="Table of contents" rel="contents">
359: <link href="the-fieldset-element.html" title="4.10.4 The fieldset element" rel="next">
1.22 mike 360: </head><body onload="fixBrokenLink();" class="split chapter"><div class="head" id="head">
1.1 mike 361: <p><a href="http://www.w3.org/"><img alt="W3C" height="48" src="http://www.w3.org/Icons/w3c_home" width="72"></a></p>
362:
363: <h1>HTML5</h1>
1.113 ! mike 364: <h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2><p>This is revision 1.5630.</p>
1.85 mike 365:
1.98 mike 366: <h2 class="no-num no-toc" id="w3c-working-draft-29-march-2012">W3C Working Draft 29 March 2012</h2>
1.85 mike 367: </div>
1.1 mike 368:
1.85 mike 369: <nav class="prev_next">
1.1 mike 370: <a href="forms.html">← 4.10 Forms</a> –
371: <a href="index.html#contents">Table of contents</a> –
372: <a href="the-fieldset-element.html">4.10.4 The fieldset element →</a>
373: </nav>
374:
1.85 mike 375: <h4 id="the-form-element"><span class="secno">4.10.3 </span>The <dfn><code>form</code></dfn> element</h4>
376:
377: <dl class="element"><dt><a href="element-definitions.html#element-dfn-categories" title="element-dfn-categories">Categories</a>:</dt>
1.1 mike 378: <dd><a href="content-models.html#flow-content">Flow content</a>.</dd>
379: <dd><a href="content-models.html#palpable-content">Palpable content</a>.</dd>
1.25 mike 380: <dt><a href="element-definitions.html#element-dfn-contexts" title="element-dfn-contexts">Contexts in which this element can be used</a>:</dt>
1.1 mike 381: <dd>Where <a href="content-models.html#flow-content">flow content</a> is expected.</dd>
1.25 mike 382: <dt><a href="element-definitions.html#element-dfn-content-model" title="element-dfn-content-model">Content model</a>:</dt>
1.1 mike 383: <dd><a href="content-models.html#flow-content">Flow content</a>, but with no <code><a href="#the-form-element">form</a></code> element descendants.</dd>
1.25 mike 384: <dt><a href="element-definitions.html#element-dfn-attributes" title="element-dfn-attributes">Content attributes</a>:</dt>
1.1 mike 385: <dd><a href="global-attributes.html#global-attributes">Global attributes</a></dd>
386: <dd><code title="attr-form-accept-charset"><a href="#attr-form-accept-charset">accept-charset</a></code></dd>
387: <dd><code title="attr-fs-action"><a href="attributes-common-to-form-controls.html#attr-fs-action">action</a></code></dd>
388: <dd><code title="attr-form-autocomplete"><a href="#attr-form-autocomplete">autocomplete</a></code></dd>
389: <dd><code title="attr-fs-enctype"><a href="attributes-common-to-form-controls.html#attr-fs-enctype">enctype</a></code></dd>
390: <dd><code title="attr-fs-method"><a href="attributes-common-to-form-controls.html#attr-fs-method">method</a></code></dd>
391: <dd><code title="attr-form-name"><a href="#attr-form-name">name</a></code></dd>
392: <dd><code title="attr-fs-novalidate"><a href="attributes-common-to-form-controls.html#attr-fs-novalidate">novalidate</a></code></dd>
393: <dd><code title="attr-fs-target"><a href="attributes-common-to-form-controls.html#attr-fs-target">target</a></code></dd>
1.25 mike 394: <dt><a href="element-definitions.html#element-dfn-dom" title="element-dfn-dom">DOM interface</a>:</dt>
1.1 mike 395: <dd>
396: <pre class="idl">[OverrideBuiltins]
397: interface <dfn id="htmlformelement">HTMLFormElement</dfn> : <a href="elements.html#htmlelement">HTMLElement</a> {
398: attribute DOMString <a href="#dom-form-acceptcharset" title="dom-form-acceptCharset">acceptCharset</a>;
399: attribute DOMString <a href="attributes-common-to-form-controls.html#dom-fs-action" title="dom-fs-action">action</a>;
400: attribute DOMString <a href="#dom-form-autocomplete" title="dom-form-autocomplete">autocomplete</a>;
401: attribute DOMString <a href="attributes-common-to-form-controls.html#dom-fs-enctype" title="dom-fs-enctype">enctype</a>;
402: attribute DOMString <a href="attributes-common-to-form-controls.html#dom-fs-encoding" title="dom-fs-encoding">encoding</a>;
403: attribute DOMString <a href="attributes-common-to-form-controls.html#dom-fs-method" title="dom-fs-method">method</a>;
404: attribute DOMString <a href="#dom-form-name" title="dom-form-name">name</a>;
405: attribute boolean <a href="attributes-common-to-form-controls.html#dom-fs-novalidate" title="dom-fs-noValidate">noValidate</a>;
406: attribute DOMString <a href="attributes-common-to-form-controls.html#dom-fs-target" title="dom-fs-target">target</a>;
407:
408: readonly attribute <a href="common-dom-interfaces.html#htmlformcontrolscollection">HTMLFormControlsCollection</a> <a href="#dom-form-elements" title="dom-form-elements">elements</a>;
409: readonly attribute long <a href="#dom-form-length" title="dom-form-length">length</a>;
410: <a href="#dom-form-item" title="dom-form-item">getter</a> <a href="infrastructure.html#element">Element</a> (unsigned long index);
411: <a href="#dom-form-nameditem" title="dom-form-namedItem">getter</a> object (DOMString name);
412:
413: void <a href="#dom-form-submit" title="dom-form-submit">submit</a>();
414: void <a href="#dom-form-reset" title="dom-form-reset">reset</a>();
415: boolean <a href="#dom-form-checkvalidity" title="dom-form-checkValidity">checkValidity</a>();
416: };</pre>
417: </dd>
418: </dl><p>The <code><a href="#the-form-element">form</a></code> element <a href="rendering.html#represents">represents</a> a
419: collection of <a href="forms.html#form-associated-element" title="form-associated element">form-associated
420: elements</a>, some of which can represent editable values that
1.85 mike 421: can be submitted to a server for processing.</p>
422:
423: <p>The <dfn id="attr-form-accept-charset" title="attr-form-accept-charset"><code>accept-charset</code></dfn>
1.1 mike 424: attribute gives the character encodings that are to be used for the
425: submission. If specified, the value must be an <a href="common-microsyntaxes.html#ordered-set-of-unique-space-separated-tokens">ordered set of
426: unique space-separated tokens</a> that are <a href="infrastructure.html#ascii-case-insensitive">ASCII
427: case-insensitive</a>, and each token must be an <a href="infrastructure.html#ascii-case-insensitive">ASCII
428: case-insensitive</a> match for the <a href="infrastructure.html#preferred-mime-name">preferred MIME
429: name</a> of an <a href="infrastructure.html#ascii-compatible-character-encoding">ASCII-compatible character encoding</a>.
1.85 mike 430: <a href="references.html#refsIANACHARSET">[IANACHARSET]</a></p>
431:
432: <p>The <dfn id="attr-form-name" title="attr-form-name"><code>name</code></dfn> attribute
1.1 mike 433: represents the <code><a href="#the-form-element">form</a></code>'s name within the <code title="dom-document-forms"><a href="dom.html#dom-document-forms">forms</a></code> collection. The value must
434: not be the empty string, and the value must be unique amongst the
435: <code><a href="#the-form-element">form</a></code> elements in the <code title="dom-document-forms"><a href="dom.html#dom-document-forms">forms</a></code> collection that it is in, if
1.85 mike 436: any.</p>
437:
438: <p>The <dfn id="attr-form-autocomplete" title="attr-form-autocomplete"><code>autocomplete</code></dfn>
1.1 mike 439: attribute is an <a href="common-microsyntaxes.html#enumerated-attribute">enumerated attribute</a>. The attribute has
440: two states. The <code title="attr-form-autocomplete-on">on</code>
441: keyword maps to the <dfn id="attr-form-autocomplete-on-state" title="attr-form-autocomplete-on-state">on</dfn> state, and the
442: <code title="attr-form-autocomplete-off">off</code> keyword maps to
443: the <dfn id="attr-form-autocomplete-off-state" title="attr-form-autocomplete-off-state">off</dfn>
444: state. The attribute may also be omitted. The <i>missing value
445: default</i> is the <a href="#attr-form-autocomplete-on-state" title="attr-form-autocomplete-on-state">on</a> state. The <a href="#attr-form-autocomplete-off-state" title="attr-form-autocomplete-off-state">off</a> state indicates
446: that by default, <code><a href="the-input-element.html#the-input-element">input</a></code> elements in the form will have
447: their <a href="common-input-element-attributes.html#resulting-autocompletion-state">resulting autocompletion state</a> set to <i title="">off</i>; the <a href="#attr-form-autocomplete-on-state" title="attr-form-autocomplete-on-state">on</a> state indicates
448: that by default, <code><a href="the-input-element.html#the-input-element">input</a></code> elements in the form will have
1.85 mike 449: their <a href="common-input-element-attributes.html#resulting-autocompletion-state">resulting autocompletion state</a> set to <i title="">on</i>.</p>
450:
451: <p>The <code title="attr-fs-action"><a href="attributes-common-to-form-controls.html#attr-fs-action">action</a></code>, <code title="attr-fs-enctype"><a href="attributes-common-to-form-controls.html#attr-fs-enctype">enctype</a></code>, <code title="attr-fs-method"><a href="attributes-common-to-form-controls.html#attr-fs-method">method</a></code>, <code title="attr-fs-novalidate"><a href="attributes-common-to-form-controls.html#attr-fs-novalidate">novalidate</a></code>, and <code title="attr-fs-target"><a href="attributes-common-to-form-controls.html#attr-fs-target">target</a></code> attributes are <a href="attributes-common-to-form-controls.html#attributes-for-form-submission">attributes
452: for form submission</a>.</p>
453:
454:
455: <dl class="domintro"><dt><var title="">form</var> . <code title="dom-form-elements"><a href="#dom-form-elements">elements</a></code></dt>
1.1 mike 456:
457: <dd>
458:
459: <p>Returns an <code><a href="infrastructure.html#htmlcollection">HTMLCollection</a></code> of the form controls in
460: the form (excluding image buttons for historical reasons).</p>
461:
462: </dd>
463:
464: <dt><var title="">form</var> . <code title="dom-form-length"><a href="#dom-form-length">length</a></code></dt>
465:
466: <dd>
467:
468: <p>Returns the number of form controls in the form (excluding
469: image buttons for historical reasons).</p>
470:
471: </dd>
472:
473: <dt><var title="">form</var>[<var title="">index</var>]</dt>
474: <dt><var title="">form</var>(<var title="">index</var>)</dt>
475:
476: <dd>
477:
478: <p>Returns the <var title="">index</var>th element in the form
479: (excluding image buttons for historical reasons).</p>
480:
481: </dd>
482:
483: <dt><var title="">form</var>[<var title="">name</var>]</dt>
484: <dt><var title="">form</var>(<var title="">name</var>)</dt>
485:
486: <dd>
487:
488: <p>Returns the form control (or, if there are several, a
489: <code><a href="infrastructure.html#nodelist">NodeList</a></code> of the form controls) in the form with the
490: given <a href="infrastructure.html#concept-id" title="concept-id">ID</a> or <code title="attr-fe-name"><a href="attributes-common-to-form-controls.html#attr-fe-name">name</a></code> (excluding image buttons for
491: historical reasons); or, if there are none, returns the
492: <code><a href="the-img-element.html#the-img-element">img</a></code> element with the given ID.</p>
493:
494: <p>Once an element has been referenced using a particular name,
495: that name will continue being available as a way to reference that
496: element in this method, even if the element's actual <a href="infrastructure.html#concept-id" title="concept-id">ID</a> or <code title="attr-fe-name"><a href="attributes-common-to-form-controls.html#attr-fe-name">name</a></code> changes, for as long as the
497: element remains in the <code><a href="dom.html#document">Document</a></code>.</p>
498:
499: <p>If there are multiple matching items, then a
500: <code><a href="infrastructure.html#nodelist">NodeList</a></code> object containing all those elements is
501: returned.</p>
502:
503: </dd>
504:
505: <dt><var title="">form</var> . <code title="dom-form-submit"><a href="#dom-form-submit">submit</a></code>()</dt>
506:
507: <dd>
508:
509: <p>Submits the form.</p>
510:
511: </dd>
512:
513: <dt><var title="">form</var> . <code title="dom-form-reset"><a href="#dom-form-reset">reset</a></code>()</dt>
514:
515: <dd>
516:
517: <p>Resets the form.</p>
518:
519: </dd>
520:
521: <dt><var title="">form</var> . <code title="dom-form-checkValidity"><a href="#dom-form-checkvalidity">checkValidity</a></code>()</dt>
522:
523: <dd>
524:
525: <p>Returns true if the form's controls are all valid; otherwise,
526: returns false.</p>
527:
528: </dd>
529:
530: </dl><div class="impl">
531:
532: <p>The <dfn id="dom-form-autocomplete" title="dom-form-autocomplete"><code>autocomplete</code></dfn> IDL
533: attribute must <a href="common-dom-interfaces.html#reflect">reflect</a> the content attribute of the
534: same name, <a href="common-dom-interfaces.html#limited-to-only-known-values">limited to only known values</a>.</p>
535:
536: <p>The <dfn id="dom-form-name" title="dom-form-name"><code>name</code></dfn> IDL
537: attribute must <a href="common-dom-interfaces.html#reflect">reflect</a> the content attribute of the
538: same name.</p>
539:
540: <p>The <dfn id="dom-form-acceptcharset" title="dom-form-acceptCharset"><code>acceptCharset</code></dfn> IDL
541: attribute must <a href="common-dom-interfaces.html#reflect">reflect</a> the <code title="attr-form-accept-charset"><a href="#attr-form-accept-charset">accept-charset</a></code> content
542: attribute.</p>
543:
544: <hr><p>The <dfn id="dom-form-elements" title="dom-form-elements"><code>elements</code></dfn>
545: IDL attribute must return an <code><a href="common-dom-interfaces.html#htmlformcontrolscollection">HTMLFormControlsCollection</a></code>
546: rooted at the <code><a href="dom.html#document">Document</a></code> node, whose filter matches <a href="forms.html#category-listed" title="category-listed">listed elements</a> whose <a href="association-of-controls-and-forms.html#form-owner">form
547: owner</a> is the <code><a href="#the-form-element">form</a></code> element, with the exception of
1.8 mike 548: <code><a href="the-input-element.html#the-input-element">input</a></code> elements whose <code title="attr-input-type"><a href="the-input-element.html#attr-input-type">type</a></code> attribute is in the <a href="states-of-the-type-attribute.html#image-button-state-type-image" title="attr-input-type-image">Image Button</a> state, which must,
1.1 mike 549: for historical reasons, be excluded from this particular
550: collection.</p>
551:
552: <p>The <dfn id="dom-form-length" title="dom-form-length"><code>length</code></dfn> IDL
553: attribute must return the number of nodes <a href="infrastructure.html#represented-by-the-collection" title="represented
554: by the collection">represented</a> by the <code title="dom-form-elements"><a href="#dom-form-elements">elements</a></code> collection.</p>
555:
556: <p>The <a href="infrastructure.html#supported-property-indices">supported property indices</a> at any instant are
557: the indices supported by the object returned by the <code title="dom-form-elements"><a href="#dom-form-elements">elements</a></code> attribute at that
558: instant.</p>
559:
560: <p>When a <code><a href="#the-form-element">form</a></code> element is <dfn id="dom-form-item" title="dom-form-item">indexed for indexed property retrieval</dfn>,
561: the user agent must return the value returned by the <code title="dom-HTMLFormControlsCollection-item">item</code> method on
562: the <code title="dom-form-elements"><a href="#dom-form-elements">elements</a></code> collection, when
563: invoked with the given index as its argument.</p>
564:
565: <hr><p>Each <code><a href="#the-form-element">form</a></code> element has a mapping of names to elements
566: called the <dfn id="past-names-map">past names map</dfn>. It is used to persist names of
567: controls even when they change names.</p>
568:
569: <p>The <a href="infrastructure.html#supported-property-names">supported property names</a> consist of the values
570: of all the <code title="attr-id"><a href="global-attributes.html#the-id-attribute">id</a></code> and <code title="attr-fe-name"><a href="attributes-common-to-form-controls.html#attr-fe-name">name</a></code> attributes of all the <a href="forms.html#category-listed" title="category-listed">listed elements</a> and <code><a href="the-img-element.html#the-img-element">img</a></code>
571: elements that are descendants of the <code><a href="#the-form-element">form</a></code> element, and
572: all the names currently in the <a href="#past-names-map">past names map</a>.</p>
573:
574: <p>When a <code><a href="#the-form-element">form</a></code> element is <dfn id="dom-form-nameditem" title="dom-form-namedItem">indexed for named property
575: retrieval</dfn>, the user agent must run the following steps:</p>
576:
577: <ol><li><p>Let <var title="">candidates</var> be a <a href="infrastructure.html#live">live</a>
578: <code><a href="infrastructure.html#nodelist">NodeList</a></code> object containing all the <a href="forms.html#category-listed" title="category-listed">listed elements</a> that are descendants
579: of the <code><a href="#the-form-element">form</a></code> element and that have either an <code title="attr-id"><a href="global-attributes.html#the-id-attribute">id</a></code> attribute or a <code title="attr-fe-name"><a href="attributes-common-to-form-controls.html#attr-fe-name">name</a></code> attribute equal to <var title="">name</var>, in <a href="infrastructure.html#tree-order">tree order</a>.</p></li>
580:
581: <li><p>If <var title="">candidates</var> is empty, let <var title="">candidates</var> be a <a href="infrastructure.html#live">live</a>
582: <code><a href="infrastructure.html#nodelist">NodeList</a></code> object containing all the <code><a href="the-img-element.html#the-img-element">img</a></code>
583: elements that are descendants of the <code><a href="#the-form-element">form</a></code> element and
584: that have either an <code title="attr-id"><a href="global-attributes.html#the-id-attribute">id</a></code> attribute or a
585: <code title="attr-img-name"><a href="obsolete.html#attr-img-name">name</a></code> attribute equal to <var title="">name</var>, in <a href="infrastructure.html#tree-order">tree order</a>.</p></li>
586:
587: <li><p>If <var title="">candidates</var> is empty, <var title="">name</var> is the name of one of the entries in the
588: <code><a href="#the-form-element">form</a></code> element's <a href="#past-names-map">past names map</a>: return the
589: object associated with <var title="">name</var> in that
590: map.</p></li>
591:
592: <li><p>If <var title="">candidates</var> contains more than one
593: node, return <var title="">candidates</var> and abort these
594: steps.</p></li>
595:
596: <li><p>Otherwise, <var title="">candidates</var> contains exactly
597: one node. Add a mapping from <var title="">name</var> to the node
598: in <var title="">candidates</var> in the <code><a href="#the-form-element">form</a></code> element's
599: <a href="#past-names-map">past names map</a>, replacing the previous entry with the
600: same name, if any.</p></li>
601:
602: <li><p>Return the node in <var title="">candidates</var>.</p></li>
603:
604: </ol><p>If an element listed in the <code><a href="#the-form-element">form</a></code> element's <a href="#past-names-map">past
605: names map</a> is removed from the <code><a href="dom.html#document">Document</a></code>, then its
606: entries must be removed from the map.</p>
607:
608:
1.4 mike 609:
1.1 mike 610:
611:
612: <hr><p>The <dfn id="dom-form-submit" title="dom-form-submit"><code>submit()</code></dfn>
613: method, when invoked, must <a href="form-submission.html#concept-form-submit" title="concept-form-submit">submit</a> the <code><a href="#the-form-element">form</a></code>
614: element from the <code><a href="#the-form-element">form</a></code> element itself, with the <var title="">submitted from <code title="dom-form-submit"><a href="#dom-form-submit">submit()</a></code> method</var> flag set.</p>
615:
616: <p>The <dfn id="dom-form-reset" title="dom-form-reset"><code>reset()</code></dfn>
617: method, when invoked, must run the following steps:</p>
618:
619: <ol><li><p>If the <code><a href="#the-form-element">form</a></code> element is marked as <i><a href="#locked-for-reset">locked for
620: reset</a></i>, then abort these steps.</p></li>
621:
622: <li><p>Mark the <code><a href="#the-form-element">form</a></code> element as <dfn id="locked-for-reset">locked for
623: reset</dfn>.</p></li>
624:
625: <li><p><a href="form-submission.html#concept-form-reset" title="concept-form-reset">Reset</a> the
626: <code><a href="#the-form-element">form</a></code> element.</p></li>
627:
628: <li><p>Unmark the <code><a href="#the-form-element">form</a></code> element as <i><a href="#locked-for-reset">locked for
629: reset</a></i>.</p></li>
630:
631: </ol><p>If the <dfn id="dom-form-checkvalidity" title="dom-form-checkValidity"><code>checkValidity()</code></dfn>
632: method is invoked, the user agent must <a href="constraints.html#statically-validate-the-constraints">statically validate the
633: constraints</a> of the <code><a href="#the-form-element">form</a></code> element, and return true
634: if the constraint validation return a <i>positive</i> result, and
635: false if it returned a <i>negative</i> result.</p>
636:
1.85 mike 637: </div>
638:
639:
640: <div class="example">
1.1 mike 641:
642: <p>This example shows two search forms:</p>
643:
644: <pre><form action="http://www.google.com/search" method="get">
645: <label>Google: <input type="search" name="q"></label> <input type="submit" value="Search...">
646: </form>
647: <form action="http://www.bing.com/search" method="get">
648: <label>Bing: <input type="search" name="q"></label> <input type="submit" value="Search...">
649: </form></pre>
650:
1.85 mike 651: </div>
652:
653:
654:
655:
656: </body></html>
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