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

you could simply do:

var newImage = new Image();
newImage.src = "someImg.jpg";

if(document.images)
{
  document.images.yourImageElementName.src = newImage.src;
}

Simple :)