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(){
  $("button").click(function(){
    $("#span1").text($(window).width());
    $("#span2").text($(document).width());
  });
});
</script>
</head>
<body>

<p>The width of this window is <span id="span1">unknown</span> px.</p>
<p>The width of this document is <span id="span2">unknown</span> px.</p>

<button>Return the width of the window and document elements</button>

</body>
</html>

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

W3Schools.com - Try it yourself

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(){ $("button").click(function(){ $("#span1").text($(window).width()); $("#span2").text($(document).width()); }); }); </script> </head> <body> <p>The width of this window is <span id="span1">unknown</span> px.</p> <p>The width of this document is <span id="span2">unknown</span> px.</p> <button>Return the width of the window and document elements</button> </body> </html>
Edit the code above and click "Submit Code" to see the result.	W3Schools.com - Try it yourself