DHTML - CSS
JavaScript and the HTML DOM can be used to change the style of any HTML element.
Change Style of the Current HTML Element
To change the style of the current HTML element, use the following statement:
this.style.property=new style
Change Style of the Current HTML Element Example
<html>
<body>
<h1 onclick="this.style.color='red'">Click Me!</h1>
</body>
</html>
Change Style of a Specific HTML Element
To change the style of a specific HTML element, use the following statement:
document.getElementById(id).style.property=new style
<html>
<body>
<h1 id="h1" onclick="document.getElementById('h1').style.color='red'">Click Me!</h1>
</body>
</html>