Javascript DOM- CSS
The HTML DOM provides JavaScript to change the style (css)of HTML elements.
Changing HTML Style:
To change the style(css) of an HTML element.
syntax:
document.getElementById(id).style.property = new style
Example:
<!DOCTYPE html>
<html>
<body>
<p id="p1">Hello World!</p>
<p id="p2">Hello World!</p>
<script>
document.getElementById("p2").style.color = "blue";
document.getElementById("p2").style.fontFamily = "Arial";
document.getElementById("p2").style.fontSize = "larger";
</script>
<p>The paragraph above was changed by a script.</p>
</body>
</html>
OUTPUT:
Using Events:
Events are produced by the browser when “things happen” to HTML elements:
- An element is clicked on.
- The page has loaded.
- Input fields are changed.
Example:
<!DOCTYPE html>
<html>
<body>
<h1 id="id1">My Heading 1</h1>
<button type="button"
onclick="document.getElementById('id1').style.color = 'red'">
Click Me!</button>
</body>
</html>
OUTPUT:
