Javascript: Change Style

Javascript can change the style of an element:

HTML file:	Displayed by browser:
<!DOCTYPE html> <html> <body> <h1>My First JavaScript</h1> <p id="demo">JavaScript can change the style of an HTML element.</p> <script> function myFunction() { document.getElementById("demo").style.fontSize = "25px"; } </script> <button type="button" onclick="myFunction()">Click Me!</button> </body> </html>	My First JavaScript JavaScript can change the style of an HTML element.

HTML file:

Displayed by browser:

<!DOCTYPE html>
<html>
<body>

<h1>My First JavaScript</h1>

<p id="demo">JavaScript can change the style of an HTML element.</p>

<script>
function myFunction() {
document.getElementById("demo").style.fontSize = "25px";
}
</script>

<button type="button" onclick="myFunction()">Click Me!</button>

</body>
</html>

My First JavaScript

JavaScript can change the style of an HTML element.