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Tryit: JAVASCRIPT
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<!DOCTYPE html> <html> <head> <style> #myDIV { border: 15px solid transparent; width: 250px; padding: 10px 20px; -webkit-border-image: url(border.png) 30 30 stretch; /* Safari 5 */ -o-border-image: url(border.png) 30 30 stretch; /* Opera 12 */ border-image: url(border.png) 30 30 stretch; } </style> </head> <body> <p>单击“试一试”按钮更改 DIV 元素的 border-image 属性：</p> <button onclick="myFunction()">试一试</button> <div id="myDIV"> <h1>Hello</h1> </div> <script> function myFunction() { document.getElementById("myDIV").style.WebkitBorderImage = "url(border.png) 30 30 round"; /* Code for Safari 5 */ document.getElementById("myDIV").style.OBorderImage = "url(border.png) 30 30 round"; /* Code for Opera 12 */ document.getElementById("myDIV").style.borderImage = "url(border.png) 30 30 round"; } </script> </body> </html>