Javascript: how to change source of image onclick

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I have 10 images in the body, and Move button. When i click on Move button, i need to change first and last images. How can i do that?

What I have tried:

I have tried like this`

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Homework 6</title>
	<style>
		#btn1{
			width: 100px;
			height: 30px;
			margin: 50px 0 0 600px;
		}
		.d1{
			float: left;
			margin: 1px;
			width: 130px;
			height: 130px;
			background-size: cover;
		}
	</style>
</head>
<body>
	<div class="d1" style="background-image: url(Images/1.jpg)"></div>
	<div class="d1" style="background-image: url(Images/2.jpg)"></div>
	<div class="d1" style="background-image: url(Images/3.jpg)"></div>
	<div class="d1" style="background-image: url(Images/4.jpg)"></div>
	<div class="d1" style="background-image: url(Images/5.jpg)"></div>
	<div class="d1" style="background-image: url(Images/6.jpg)"></div>
	<div class="d1" style="background-image: url(Images/7.jpg)"></div>
	<div class="d1" style="background-image: url(Images/8.jpg)"></div>
	<div class="d1" style="background-image: url(Images/9.jpg)"></div>
	<div class="d1" style="background-image: url(Images/10.jpg)"></div>
	<button onclick="move()" id="btn1">Move</button>
</body>
<script src="JS/script.js"></script>
</html>

function move(){
	var arr = document.querySelectorAll(".d1")
	arr[0].style.background = url("../Images/10.jpg");
	arr[10].style.background = url("../Images/1.jpg");
}

Posted 11-Jul-18 7:56am

Suren97

Updated 11-Jul-18 8:35am

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Bryian Tan · Answer 1 · 2018-07-11T08:36:00

Solution 1

Here is an example on how to change the image with the correct syntax CP_js_changeImage - JSFiddle[^]

The syntax should be

JavaScript

var arr = document.getElementsByClassName("d1");
arr[0].style.backgroundImage  = "url(path to image)";

Posted 11-Jul-18 8:36am

Bryian Tan