how to change image url in jquery code example

Example 1: jquery change picture source

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

Example 2: jquery change picture onclick

<!-- https://codepen.io/poliweb/pen/eYJNqLM -->
<!-- https://stackoverflow.com/questions/26377231/jquery-how-to-change-img-src-path-onclick -->

<div class="img-container">
  <img id="changeMe" src="">
</div>

<img class="preview" src="images/preview-1.jpg">
<img class="preview" src="images/preview-2.jpg">
<img class="preview" src="images/preview-2.jpg">
  
 <!-- Script --> 
  
  $('.preview').on('click',  function() {
    $('#changeMe').prop('src', this.src);
});