<!DOCTYPE html>
<html>
<head>
<style>
#parentDIV{
width: 100%;
height: 300px;
margin: 10px 0;
position: relative;
border: solid black 1px;
}
#myDIV {
position: absolute;
background-color: lightblue;
inset-inline-end: 0;
height: 100%;
}
</style>
</head>
<body>
<h1>Change inset-inline-start property with JavaScript</h1>
<p>Click the "Try it" button to change the inset-inline-start values of the DIV element:</p>
<button onclick="myFunction()">Try it</button>
<div id="parentDIV">
<div id="myDIV">
This is my DIV element.
</div>
</div>
<script>
function myFunction() {
document.getElementById("myDIV").style.insetInlineStart = "30%";
}
</script>
</body>
</html>