W3School TIY Editor
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暗黑模式
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<!DOCTYPE html> <html> <head> <script type="text/javascript"> function changeSize() { document.getElementById("frame1").height="300"; document.getElementById("frame1").width="300"; } function restoreSize() { document.getElementById("frame1").height="200"; document.getElementById("frame1").width="200"; } </script> </head> <body> <iframe src="/example/hdom/frame_a.html" id="frame1" height="200" width="200"></iframe> <br /><br /> <input type="button" onclick="changeSize()" value="修改尺寸" /> <input type="button" onclick="restoreSize()" value="重置尺寸" /> </body> </html>