Change image source with JavaScript

Question

So I\'m new with JavaScript (this is actually my first attempt to make something work) and I\'m having a bit of trouble. I thought I had enough knowledge to make this work,

Answer 1

I know this question is old, but for the one's what are new, here is what you can do:

HTML

Click Me!

JAVASCRIPT

function myFunction() {
document.getElementById('demo').src = "myImage.png";
}