It's not "doing nothing", it's throwing an exception because you're trying to access a property of a null object. You're calling document.getElementById() correctly, so the problem is that the id you ...

Retrieving elements from an iFrame can be complicated process due to cross-browser incompatibility. While one method might work for a user accessing your site with Internet Explorer, it may not work ...

Embedding JavaScript into the HTML coding of your business website presents new methods of providing more visually appealing formats. For example, you can use JavaScript to rotate through a series of ...