如何使用JavaScript在一个声明中设置所有Outline属性？
若要设置轮廓属性，请使用outline属性。它允许您设置轮廓的颜色，样式和偏移。
示例
您可以尝试运行以下代码以使用JavaScript在一个声明中设置所有大纲属性-
<!DOCTYPE html>
<html>
<head>
<style>
#box {
width: 450px;
background-color: orange;
border: 3px solid red;
}
</style>
</head>
<body>
<p>Click below to add Outline.</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</button>
<br>
<script>
function display() {
document.getElementById("box").style.outline = "thick solid #5F5F5F";
}
</script>
</body>
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