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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