HTML | DOM Header Object
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><center> <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() { var doc = document.getElementById("head"); doc.style.color = "green"; } </script></body></html> |
Output:
Before clicking on button:
After clicking on button:
Example-2: Header Object can be created by using the document.createElement method.
html
<!DOCTYPE html><html><body><center> <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() { var x = document.createElement("HEADER"); document.body.appendChild(x); var doc = document.createElement("H3"); var t = document.createTextNode("A computer science portal for geeks."); doc.appendChild(t); document.getElementById("head").appendChild(doc); } </script></body></html> |
Output:
Before clicking on button:
After clicking on button:
Supported Browsers:
- Google Chrome
- Mozilla Firefox
- Internet Explorer (after IE 8.0)
- Safari
- Opera
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