What is the best JavaScript code to create an img element

Question

I want to create a simple bit of JS code that creates an image element in the background and doesn\'t display anything. The image element will call a tracking URL (such as

Answer 1

Are you allowed to use a framework? jQuery and Prototype make this sort of thing pretty easy. Here's a sample in Prototype:

var elem = new Element('img', { 'class': 'foo', src: 'pic.jpg', alt: 'alternate text' });
$(document).insert(elem);