如何使用 JavaScript 偏移一个轮廓并在边框边缘之外对其进行绘制?
如要偏移轮廓,请使用 outlineOffset 属性。它允许你在边框边缘之外绘制轮廓。
你可以尝试运行以下代码,以使用 JavaScript 偏移轮廓并在边框边缘之外对其进行绘制。
示例
<!DOCTYPE html>
<html>
<head>
<style>
#box {
width: 450px;
background-color: orange;
border: 3px solid red;
margin-left: 20px;
}
</style>
</head>
<body>
<p>Click below to add Outline Offset.</p>
<div id="box">
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
<p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
</div>
<br>
<button type="button" onclick="display()">Set Outline Offset</button>
<br>
<script>
function display() {
document.getElementById("box").style.outline = "thick solid";
document.getElementById("box").style.outlineColor = "#5F5F5F";
document.getElementById("box").style.outlineOffset = "7px";
}
</script>
</body>
</html>
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