how to add an image source javascript code example

Example 1: how to set diferent images in html through js

<div id="x"></div>

<script>
var img = document.createElement("img");
 
img.src = "image.png";
var src = document.getElementById("x");
 
src.appendChild(img);
</script>

Example 2: set img src using javascript

document.getElementById("imageid").src="../template/save.png";