Changing Image Source in Javascript

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This project will teach how to change image source using basic javascript code. onClick event, image will automatically change.

Here's the full code.

1. var
   
   img_tracker =
   
   'chrome'
   
   ;
   
2. function
   
   changeImg(
   
   )
   
   {
   
3. var
   
   image =
   
   document.getElementById
   
   (
   
   'browser'
   
   )
   
   ;
   
4. if
   
   (
   
   img_tracker ==
   
   'chrome'
   
   )
   
   {
   
5. image.src
   
   =
   
   'images/firefox.jpg'
   
   ;
   
6. img_tracker =
   
   'firefox'
   
   ;
   
7. }
   
   else
   
   {
   
8. image.src
   
   =
   
   'images/chrome.jpg'
   
   ;
   
9. img_tracker =
   
   'chrome'
   
   ;
   
10. }
    
11. }
    

We set an image tracker that tells what image is displaying. If image tracker is chrome, onClick event, image will change to firefox. Same event if image tracker is firefox.

Hope you learn from this.

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