Annotation of html5/spec/the-datalist-element.html, revision 1.1

1.1     ! mike        1: <!DOCTYPE html>
        !             2: <html lang="en-US-x-Hixie"><head><title>4.10.10 The datalist element &#8212; HTML5</title><style type="text/css">
        !             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; }
        !           102:    .annotation:before { position: absolute; left: 0; top: 0; width: 100%; height: 100%; margin: 6px -6px -6px 6px; background: #333333; z-index: -1; content: ''; }
        !           103:    .annotation :link, .annotation :visited { color: inherit; }
        !           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; }
        !           108:    .note, .warning { font-weight: bolder; font-style: italic; }
        !           109:    .note em, .warning em, .note i, .warning i { font-style: normal; }
        !           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; }
        !           119:    .bookkeeping { font-size: 0.8em; margin: 2em 0; }
        !           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;
        !           134:    }
        !           135:    .element:before {
        !           136:      position: absolute;
        !           137:      z-index: 2;
        !           138:      top: 0;
        !           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: 
        !           196:   </style><link href="http://www.w3.org/StyleSheets/TR/W3C-ED" rel="stylesheet" type="text/css"><style type="text/css">
        !           197: 
        !           198:    .applies thead th > * { display: block; }
        !           199:    .applies thead code { display: block; }
        !           200:    .applies tbody th { whitespace: nowrap; }
        !           201:    .applies td { text-align: center; }
        !           202:    .applies .yes { background: yellow; }
        !           203: 
        !           204:    .matrix, .matrix td { border: hidden; text-align: right; }
        !           205:    .matrix { margin-left: 2em; }
        !           206: 
        !           207:    .dice-example { border-collapse: collapse; border-style: hidden solid solid hidden; border-width: thin; margin-left: 3em; }
        !           208:    .dice-example caption { width: 30em; font-size: smaller; font-style: italic; padding: 0.75em 0; text-align: left; }
        !           209:    .dice-example td, .dice-example th { border: solid thin; width: 1.35em; height: 1.05em; text-align: center; padding: 0; }
        !           210: 
        !           211:    td.eg { border-width: thin; text-align: center; }
        !           212: 
        !           213:    #table-example-1 { border: solid thin; border-collapse: collapse; margin-left: 3em; }
        !           214:    #table-example-1 * { font-family: "Essays1743", serif; line-height: 1.01em; }
        !           215:    #table-example-1 caption { padding-bottom: 0.5em; }
        !           216:    #table-example-1 thead, #table-example-1 tbody { border: none; }
        !           217:    #table-example-1 th, #table-example-1 td { border: solid thin; }
        !           218:    #table-example-1 th { font-weight: normal; }
        !           219:    #table-example-1 td { border-style: none solid; vertical-align: top; }
        !           220:    #table-example-1 th { padding: 0.5em; vertical-align: middle; text-align: center; }
        !           221:    #table-example-1 tbody tr:first-child td { padding-top: 0.5em; }
        !           222:    #table-example-1 tbody tr:last-child td { padding-bottom: 1.5em; }
        !           223:    #table-example-1 tbody td:first-child { padding-left: 2.5em; padding-right: 0; width: 9em; }
        !           224:    #table-example-1 tbody td:first-child::after { content: leader(". "); }
        !           225:    #table-example-1 tbody td { padding-left: 2em; padding-right: 2em; }
        !           226:    #table-example-1 tbody td:first-child + td { width: 10em; }
        !           227:    #table-example-1 tbody td:first-child + td ~ td { width: 2.5em; }
        !           228:    #table-example-1 tbody td:first-child + td + td + td ~ td { width: 1.25em; }
        !           229: 
        !           230:    .apple-table-examples { border: none; border-collapse: separate; border-spacing: 1.5em 0em; width: 40em; margin-left: 3em; }
        !           231:    .apple-table-examples * { font-family: "Times", serif; }
        !           232:    .apple-table-examples td, .apple-table-examples th { border: none; white-space: nowrap; padding-top: 0; padding-bottom: 0; }
        !           233:    .apple-table-examples tbody th:first-child { border-left: none; width: 100%; }
        !           234:    .apple-table-examples thead th:first-child ~ th { font-size: smaller; font-weight: bolder; border-bottom: solid 2px; text-align: center; }
        !           235:    .apple-table-examples tbody th::after, .apple-table-examples tfoot th::after { content: leader(". ") }
        !           236:    .apple-table-examples tbody th, .apple-table-examples tfoot th { font: inherit; text-align: left; }
        !           237:    .apple-table-examples td { text-align: right; vertical-align: top; }
        !           238:    .apple-table-examples.e1 tbody tr:last-child td { border-bottom: solid 1px; }
        !           239:    .apple-table-examples.e1 tbody + tbody tr:last-child td { border-bottom: double 3px; }
        !           240:    .apple-table-examples.e2 th[scope=row] { padding-left: 1em; }
        !           241:    .apple-table-examples sup { line-height: 0; }
        !           242: 
        !           243:    .details-example img { vertical-align: top; }
        !           244: 
        !           245:    #base64-table {
        !           246:      white-space: nowrap;
        !           247:      font-size: 0.6em;
        !           248:      column-width: 6em;
        !           249:      column-count: 5;
        !           250:      column-gap: 1em;
        !           251:      -moz-column-width: 6em;
        !           252:      -moz-column-count: 5;
        !           253:      -moz-column-gap: 1em;
        !           254:      -webkit-column-width: 6em;
        !           255:      -webkit-column-count: 5;
        !           256:      -webkit-column-gap: 1em;
        !           257:    }
        !           258:    #base64-table thead { display: none; }
        !           259:    #base64-table * { border: none; }
        !           260:    #base64-table tbody td:first-child:after { content: ':'; }
        !           261:    #base64-table tbody td:last-child { text-align: right; }
        !           262: 
        !           263:    #named-character-references-table {
        !           264:      white-space: nowrap;
        !           265:      font-size: 0.6em;
        !           266:      column-width: 30em;
        !           267:      column-gap: 1em;
        !           268:      -moz-column-width: 30em;
        !           269:      -moz-column-gap: 1em;
        !           270:      -webkit-column-width: 30em;
        !           271:      -webkit-column-gap: 1em;
        !           272:    }
        !           273:    #named-character-references-table > table > tbody > tr > td:first-child + td,
        !           274:    #named-character-references-table > table > tbody > tr > td:last-child { text-align: center; }
        !           275:    #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; }
        !           276:    #named-character-references-table > table > tbody > tr#entity-CounterClockwiseContourIntegral > td:first-child { font-size: 0.5em; }
        !           277: 
        !           278:    .glyph.control { color: red; }
        !           279: 
        !           280:    @font-face {
        !           281:      font-family: 'Essays1743';
        !           282:      src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743.ttf');
        !           283:    }
        !           284:    @font-face {
        !           285:      font-family: 'Essays1743';
        !           286:      font-weight: bold;
        !           287:      src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-Bold.ttf');
        !           288:    }
        !           289:    @font-face {
        !           290:      font-family: 'Essays1743';
        !           291:      font-style: italic;
        !           292:      src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-Italic.ttf');
        !           293:    }
        !           294:    @font-face {
        !           295:      font-family: 'Essays1743';
        !           296:      font-style: italic;
        !           297:      font-weight: bold;
        !           298:      src: url('http://www.whatwg.org/specs/web-apps/current-work/fonts/Essays1743-BoldItalic.ttf');
        !           299:    }
        !           300: 
        !           301:   </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">
        !           302:    function getCookie(name) {
        !           303:      var params = location.search.substr(1).split("&");
        !           304:      for (var index = 0; index < params.length; index++) {
        !           305:        if (params[index] == name)
        !           306:          return "1";
        !           307:        var data = params[index].split("=");
        !           308:        if (data[0] == name)
        !           309:          return unescape(data[1]);
        !           310:      }
        !           311:      var cookies = document.cookie.split("; ");
        !           312:      for (var index = 0; index < cookies.length; index++) {
        !           313:        var data = cookies[index].split("=");
        !           314:        if (data[0] == name)
        !           315:          return unescape(data[1]);
        !           316:      }
        !           317:      return null;
        !           318:    }
        !           319:   </script>
        !           320:   <script src="link-fixup.js"></script>
        !           321:   <link href="the-select-element.html" title="4.10.9 The select element" rel="prev">
        !           322:   <link href="index.html#contents" title="Table of contents" rel="contents">
        !           323:   <link href="the-optgroup-element.html" title="4.10.11 The optgroup element" rel="next">
        !           324:   </head><body class="split chapter"><div class="head" id="head">
        !           325:    <p><a href="http://www.w3.org/"><img alt="W3C" height="48" src="http://www.w3.org/Icons/w3c_home" width="72"></a></p>
        !           326: 
        !           327:    <h1>HTML5</h1>
        !           328:    <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 1.5469.</p>
        !           329: 
        !           330:    <h2 class="no-num no-toc" id="editor-s-draft-9-december-2011">Editor's Draft 9 December 2011</h2>
        !           331:    </div><nav class="prev_next">
        !           332:    <a href="the-select-element.html">&#8592; 4.10.9 The select element</a> &#8211;
        !           333:    <a href="index.html#contents">Table of contents</a> &#8211;
        !           334:    <a href="the-optgroup-element.html">4.10.11 The optgroup element &#8594;</a>
        !           335:   </nav>
        !           336: 
        !           337:   <h4 id="the-datalist-element"><span class="secno">4.10.10 </span>The <dfn><code>datalist</code></dfn> element</h4><dl class="element"><dt>Categories</dt>
        !           338:    <dd><a href="content-models.html#flow-content">Flow content</a>.</dd>
        !           339:    <dd><a href="content-models.html#phrasing-content">Phrasing content</a>.</dd>
        !           340:    <dt>Contexts in which this element can be used:</dt>
        !           341:    <dd>Where <a href="content-models.html#phrasing-content">phrasing content</a> is expected.</dd>
        !           342:    <dt>Content model:</dt>
        !           343:    <dd>Either: <a href="content-models.html#phrasing-content">phrasing content</a>.</dd>
        !           344:    <dd>Or: Zero or more <code><a href="the-option-element.html#the-option-element">option</a></code> elements.</dd>
        !           345:    <dt>Content attributes:</dt>
        !           346:    <dd><a href="global-attributes.html#global-attributes">Global attributes</a></dd>
        !           347:    <dt>DOM interface:</dt>
        !           348:    <dd>
        !           349: <pre class="idl">interface <dfn id="htmldatalistelement">HTMLDataListElement</dfn> : <a href="elements.html#htmlelement">HTMLElement</a> {
        !           350:   readonly attribute <a href="infrastructure.html#htmlcollection">HTMLCollection</a> <a href="#dom-datalist-options" title="dom-datalist-options">options</a>;
        !           351: };</pre>
        !           352:    </dd>
        !           353:   </dl><p>The <code><a href="#the-datalist-element">datalist</a></code> element represents a set of
        !           354:   <code><a href="the-option-element.html#the-option-element">option</a></code> elements that represent predefined options for
        !           355:   other controls. The contents of the element represents fallback
        !           356:   content for legacy user agents, intermixed with <code><a href="the-option-element.html#the-option-element">option</a></code>
        !           357:   elements that represent the predefined options. In the rendering,
        !           358:   the <code><a href="#the-datalist-element">datalist</a></code> element <a href="rendering.html#represents">represents</a>
        !           359:   nothing<span class="impl"> and it, along with its children, should
        !           360:   be hidden</span>.</p><p>The <code><a href="#the-datalist-element">datalist</a></code> element is hooked up to an
        !           361:   <code><a href="the-input-element.html#the-input-element">input</a></code> element using the <code title="attr-input-list"><a href="common-input-element-attributes.html#attr-input-list">list</a></code> attribute on the
        !           362:   <code><a href="the-input-element.html#the-input-element">input</a></code> element.</p><p>Each <code><a href="the-option-element.html#the-option-element">option</a></code> element that is a descendant of the
        !           363:   <code><a href="#the-datalist-element">datalist</a></code> element, that is not <a href="the-option-element.html#concept-option-disabled" title="concept-option-disabled">disabled</a>, and whose <a href="the-option-element.html#concept-option-value" title="concept-option-value">value</a> is a string that isn't the
        !           364:   empty string, represents a suggestion. Each suggestion has a <a href="the-option-element.html#concept-option-value" title="concept-option-value">value</a> and a <a href="the-option-element.html#concept-option-label" title="concept-option-label">label</a>.
        !           365: 
        !           366:   </p><dl class="domintro"><dt><var title="">datalist</var> . <code title="dom-datalist-options"><a href="#dom-datalist-options">options</a></code></dt>
        !           367: 
        !           368:    <dd>
        !           369:     <p>Returns an <code><a href="infrastructure.html#htmlcollection">HTMLCollection</a></code> of the <code>options</code> elements of the table.</p>
        !           370:    </dd>
        !           371: 
        !           372:   </dl><div class="impl">
        !           373: 
        !           374:   <p>The <dfn id="dom-datalist-options" title="dom-datalist-options"><code>options</code></dfn>
        !           375:   IDL attribute must return an <code><a href="infrastructure.html#htmlcollection">HTMLCollection</a></code> rooted at
        !           376:   the <code><a href="#the-datalist-element">datalist</a></code> node, whose filter matches
        !           377:   <code><a href="the-option-element.html#the-option-element">option</a></code> elements.</p>
        !           378: 
        !           379:   <p><strong>Constraint validation</strong>: If an element has a
        !           380:   <code><a href="#the-datalist-element">datalist</a></code> element ancestor, it is <a href="constraints.html#barred-from-constraint-validation">barred from
        !           381:   constraint validation</a>.</p>
        !           382: 
        !           383:   </div></body></html>

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