HTML DOM Header Object Last Updated : 14 Jun, 2023 Comments Improve Suggest changes Like Article Like Report The DOM header object is used to represent the HTML <header> element. The header element can be accessed by the getElementById() method. Syntax: document.getElementById("id"); Where ‘id’ is the ID assigned to the header tag. Example 1: In the below program the header element is accessed and the color of the text inside the header element is changed. HTML <!DOCTYPE html> <html> <body> <h1 style="color:green;"> GeeksForGeeks </h1> <h2>DOM header Object</h2> <article> <header id="head"> <p>A computer science portal for geeks.</p> </header> </article> <button onclick="Geeks()">Click Here!</button> <script> function Geeks() { let doc = document.getElementById("head"); doc.style.color = "green"; } </script> </body> </html> Output: Example 2: Header Object can be created by using the document.createElement method. HTML <!DOCTYPE html> <html> <body> <h1 style="color:green;"> GeeksForGeeks </h1> <h2>DOM header Object</h2> <button onclick="Geeks()">Click Here!</button> <p id="head" style="color:green;"></p> <script> function Geeks() { let x = document.createElement("HEADER"); document.body.appendChild(x); let doc = document.createElement("H3"); let t = document.createTextNode( "A computer science portal for geeks."); doc.appendChild(t); document.getElementById("head").appendChild(doc); } </script> </body> </html> Output: Supported Browsers: Google ChromeMozilla FirefoxInternet Explorer (after IE 8.0)SafariOpera Comment More infoAdvertise with us V Vishal Chaudhary 2 Follow Improve Article Tags : Web Technologies HTML Web technologies HTML-DOM Similar Reads HTML DOM execCommand() Method The DOM execCommand() method in HTML DOM is used to execute a command specified by the user on the editable selected section. Syntax:document.execCommand( command, showUI, value )Parameters: This method accepts three parameters which are listed below:command: This parameter hold the name of command 3 min read HTML | DOM Style left Property The Style left property is used for setting or returning the left position of a positioned element. 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