1//change image src with jquery
2$("#myImageID").attr("src","images/my_other_image.png");
3
4//change image src plain javascript
5document.getElementById('myImageID').src="images/my_other_image.png";
6

1$(document).ready(function () {
2    $('img').click(function(){
3        $(this).attr('src','images/download.jpeg')
4      })
5})

1$("#my_image").attr("src","second.jpg");

1// https://codepen.io/kman/pen/dXjpoX
2// Stockphotos JS
3
4$(document).ready(function(){
5  var flag = 0;  
6  $("button#changeSize").click(function(){
7    if(flag == 0) {
8      $("#dummyimage").attr("src","http://dummyimage.com/350x155/");
9      flag = 1;
10    }
11    else if(flag == 1) {
12      $("#dummyimage").attr("src","http://dummyimage.com/450x255/");
13      flag = 0;
14    }
15  });
16});