<!DOCTYPE html>
<html>
<head>
<style>
#DIV1 {
position: relative;
height: 200px;
width: 200px;
margin: 100px;
padding: 10px;
border: 1px solid black;
}
#DIV2 {
padding: 50px;
position: absolute;
border: 1px solid black;
background-color: coral;
transform: rotateY(50deg);
}
#DIV3 {
padding: 40px;
position: absolute;
border: 1px solid black;
background-color: lightblue;
transform: rotateY(70deg);
}
</style>
</head>
<body>
<h1>Change transform-style with JavaScript</h1>
<p>Click the "Try it" button to preserve the 3D position of the child elements of the DIV2 element:</p>
<button onclick="myFunction()">Try it</button>
<div id="DIV1">DIV1
<div id="DIV2">HELLO DIV2
<div id="DIV3">HELLO DIV3</div>