<!DOCTYPE html>
<html>
<head>
<style>
.grid-container {
display: grid;
grid-template-columns: auto auto auto;
grid-gap: 10px;
background-color: #2196F3;
padding: 10px;
}
.grid-container > div {
background-color: rgba(255, 255, 255, 0.8);
text-align: center;
padding: 20px 0;
font-size: 30px;
}
</style>
</head>
<body>
<h1>Change grid-row-start with JavaScript</h1>
<p>Click the button to re-arange the position of "item1":</p>
<p><button onclick="myFunction()">Move item1</button></p>
<div class="grid-container">
<div class="item1" id="myDIV">1</div>
<div class="item2">2</div>
<div class="item3">3</div>
<div class="item4">4</div>
<div class="item5">5</div>
<div class="item6">6</div>
<div class="item7">7</div>
</div>
<script>
function myFunction() {
document.getElementById("myDIV").style.gridRowStart = "3";
}