How to compare an image's url in javascript

Question

I want to switch an image whenever it is clicked
currently I am using this code.
x stores the class I have assigned with background.
if(x.style.backgroundImage=="URL('1.jpg')")
x.style.backgroundImage=URL('2.jpg');
else
something else

Answer 1

There's a image slider tutorial in last chapter (DOM & Events) of Javascript that is quite useful. It stores image url in an array, creates a function that change the array number while onclick event is triggered. Check it out.

Answer 2

thank u nicholas