insert
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adv.
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???? | Description |
content | ?????. ??? ??? ?????. ??? ?: ??? ??? HTML ?? |
selector | ?????. ??? ??? ??? ??? ?????. |
jquery insertBefore() ??? ?
<html> <head> <script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("<span>你好!</span>").insertBefore("p"); }); }); </script> </head> <body> <p>這是一個段落。</p> <p>這是另一個段落。</p> <button>在每個 p 元素之前插入 span 元素</button> </body> </html>
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