get element by id image code example
Example 1: javascript change image src
//change image src
document.getElementById('myImageID').src="images/my_other_image.png";
Example 2: how to change image source using javascript
document.getElementById("myImg").src = "hackanm.gif";
Example 3: set img src using javascript
document.getElementById("imageid").src="../template/save.png";
Example 4: how to edit image tags in javascript
<a href='#' onclick='edit()'><img src="../template/edit.png" id="edit-save"/></a>