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<!DOCTYPE html> <html> <head> <style> #main { border: 15px solid transparent; padding: 15px; border-image: url(border.png); border-image-slice: 30; border-image-width: 20px; border-image-repeat: round; } </style> </head> <body> <h1>使用 JavaScript 更改 border-image-source</h1> <p id="main">此元素使用图像作为边框。</p> <p>单击“试一试”按钮更改 borderImageSource 属性的值。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { document.getElementById("main").style.borderImageSource = "url(img_flwr.gif)"; } </script> <p><b>注意：</b> Internet Explorer 10 及更早版本不支持 border-image-source 属性。</p> <p>这是使用的两个图像：</p> <img src="border.png"> <img src="img_flwr.gif" width="224" height="162"> </body> </html>