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源代码：
点击运行
<!DOCTYPE html> <html> <head> <script> function removeBorder() { document.getElementById("myframe").frameBorder="0"; } </script> </head> <body> <iframe id="myframe" src="https://www.ancii.com"> <p>Your browser does not support iframes.</p> </iframe> <br><br> <input type="button" onclick="removeBorder()" value="Remove border"> <p><b>Note:</b> This example does not work in Internet Explorer.</p> </body> </html>
运行结果
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