代码示例:(标识:jsck_style_backgroundattachment_div)
<!DOCTYPE html>
<html>
<style>
#myDIV {
width: 300px;
height: 300px;
background: lightblue url('/static/demo/images/flower.gif') no-repeat;
color: white;
overflow: auto;
}
</style>
<body>
<h1>HTML Style 对象</h1>
<h2>backgroundAttachment 属性</h2>
<p>请点击单选按钮并滚动 DIV 元素以查看 background-attachment 属性的效果:</p>
<form name="myForm">
<input type="radio" name="myAtt" value="scroll" onclick="myFunction()" checked>scroll
<input type="radio" name="myAtt" value="local" onclick="myFunction()">local
</form>
<div id="myDIV">
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
<h1>Hello</h1>
</div>
<script>
function myFunction() {
if (document.forms["myForm"]["myAtt"][0].checked) {
document.getElementById("myDIV").style.backgroundAttachment = "scroll";
} else {
document.getElementById("myDIV").style.backgroundAttachment = "local";
}
}
</script>
</body>
</html>