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

Just for the sake of completeness, I would suggest using the InnerHTML way as well - even though I would not call it the best way...

document.getElementById("image-holder").innerHTML = "";

By the way, innerHTML is not that bad