get all src attributes from html dom and replace their value code example

Example 1: javascript change image src

//change image src
document.getElementById('myImageID').src="images/my_other_image.png";

Example 2: javascript update text in div

fieldNameElement.innerHTML = "My new text!";

Example 3: how to edit image tags in javascript

<a href='#' onclick='edit()'><img src="../template/edit.png" id="edit-save"/></a>