​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>HTML Style 对象</h1>
​
<h2>backgroundImage 属性</h2>
​
<p>背景图像是：</p>
​
<p id="demo"></p>
​
<div id="myDiv" style="background-image:url('/i/pic/tree.png');border:1px solid black;height:400px;width:400px;">
This is myDiv.</div>
<br>
​
<script>
let img = document.getElementById("myDiv").style.backgroundImage;
document.getElementById("demo").innerHTML = img;
</script>
​
</body>
</html>
​