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源代码：
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<!DOCTYPE html> <html> <head> <script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("p:nth-last-of-type(odd)").css("background-color","yellow"); $("p:nth-last-of-type(even)").css("background-color","pink"); }); </script> </head> <body> <p>The first paragraph in body (even).</p> <p>The last paragraph in body (odd).</p> <div style="border:1px solid;"> <p>The first paragraph in div (even).</p> <p>The second paragraph in div (odd).</p> <p>The third paragraph in div (even).</p> <p>The last paragraph in div (odd).</p> <span>This is a span element.</span> </div><br> <div style="border:1px solid;"> <p>The first paragraph in another div (even).</p> <p>The second paragraph in another div (odd).</p> <p>The third paragraph in another div (even).</p> <p>The last paragraph in another div (odd).</p> </div> </body> </html>
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