zig.com Result Size: 625 x 534
×
Change Orientation Change Theme, Dark/Light Go to Spaces
​x
 
<!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";
    document.getElementById("demo").style.color = "red";
    document.getElementById("demo").style.backgroundColor = "yellow";
  }
</script>
<button type="button" onclick="myFunction()">Click Me!</button>
</body>
<!-- /html/tryit.asp?filename=tryhtml_script_styles Thu, 06 Feb 2025 18:24:05 GMT -->
</html>
​