tryjsref_style_outlineoffset 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<style> 
#myDIV
{
margin:auto;
border:1px solid black;
outline:coral solid 5px;
width:300px;
height:300px;
}
</style>
</head>
<body>
<p>点击“尝试一下”按钮，改变 DIV 元素的 outline-offset 属性：</p>
<button onclick="myFunction()">尝试一下</button>
<div id="myDIV">
<h1>Hello</h1>
</div>
<script>
function myFunction()
{
document.getElementById("myDIV").style.outlineOffset = "15px";
}
</script>
</body>
</html>
 
 
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运行结果
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