html运行实例（jsck_style_backgroundimage

代码示例：（标识：jsck_style_backgroundimage_2）

<!DOCTYPE html>
<html>
<head>
<style>
div {
  width: 400px;
  height: 400px;
  border: 1px solid black;
}
</style>
</head>

<body>

<h1>HTML Style 对象</h1>

<h2>backgroundImage 属性</h2>

<div id="myDiv">这是 myDiv。</div>
<br>
<button type="button" onclick="myFunction()">设置 myDiv 的背景图像</button>

<script>
function myFunction() {
  document.getElementById("myDiv").style.backgroundImage = "url('/static/demo/images/tree.png')";
}
</script>

</body>
</html>