<html> <head> <script type="text/javascript" src="jquery.js"></script> </head> <body> <p>This is a paragraph.</p> <p>This is a paragraph.</p> <p>This is a paragraph.</p> <p>This is a paragraph.</p> <p>This is a paragraph.</p> <p>This is a paragraph.</p> <script> $("p").slice(0, 2).wrapInner("<b></b>"); </script> </body> </html>
结果:
编辑上面的代码，点击查看结果。
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