html运行实例（jsck_style_backgroundimage

代码示例：（标识：jsck_style_backgroundimage_4）

<!DOCTYPE html>
<html>
<body style="background:#f3f3f3 url('/static/demo/images/tree.png');">

<h1>HTML Style 对象</h1>

<h2>backgroundImage 属性</h2>

<p>背景图像是：</p>

<p id="demo" style="font-size:32px"></p>

<script>
let img = document.body.style.backgroundImage;
document.getElementById("demo").innerHTML = img;
</script>

</body>
</html>