Tryit Editor v1.7

Source Code:

Result:

<!DOCTYPE html>
<html>
<head>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $(":header").css("background-color","yellow");
});
</script>
</head>
<body>

<h1>Welcome to My Homepage</h1>
<h2>My Fantastic Homepage</h2>
<h3>It's amazing!</h3>

<p class="intro">My name is Donald.</p>
<p>I live in Duckburg.</p>
<p>My best friend is Mickey.</p>
<p>Who is your favourite:</p>
<ul id="choose">
<li>Goofy</li>
<li>Mickey</li>
<li>Pluto</li>
</ul>

</body>
</html>

Edit the code above and click "Submit Code" to see the result.

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Source Code:	Result:
<!DOCTYPE html> <html> <head> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"> </script> <script> $(document).ready(function(){ $(":header").css("background-color","yellow"); }); </script> </head> <body> <h1>Welcome to My Homepage</h1> <h2>My Fantastic Homepage</h2> <h3>It's amazing!</h3> <p class="intro">My name is Donald.</p> <p>I live in Duckburg.</p> <p>My best friend is Mickey.</p> <p>Who is your favourite:</p> <ul id="choose"> <li>Goofy</li> <li>Mickey</li> <li>Pluto</li> </ul> </body> </html>
Edit the code above and click "Submit Code" to see the result.	W3Schools.com - Try it yourself