Question

I am trying to rotate 2 images. For now, I have this code:

$('img').on({
  'click': function () {
    var src = ($(this).attr('src') === 'img1_on.jpg') ? 'img2_on.jpg' : 'img1_on.jpg';
    $(this).attr('src', src);
  }
});

It works perfectly: when I click on an image, the other appears. What I would like to do is exactly the same, but using a button to rotate the images, and not click on the image itself.

Answer 1

html

<button id="imageSwitcher">Click to switch images</button>

javascript/jquery

$("#imageSwitcher").click(function() {
   var src = ($('img').attr('src') === 'img1_on.jpg')
    ? 'img2_on.jpg'
    : 'img1_on.jpg';
   $('img').attr('src', src);
 });

The script assumes that you have one single image on your page, to change for a specific image, do the following:

html

<img id="imgSwitched" src="img1_on.jpg"/>
<button id="imageSwitcher">Click to switch images</button>

javascript/jquery

$("#imageSwitcher").click(function() {
   var src = ($('#imgSwitched').attr('src') === 'img1_on.jpg')
    ? 'img2_on.jpg'
    : 'img1_on.jpg';
   $('#imgSwitched').attr('src', src);
 });