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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> <script src="https://cdn.staticfile.net/jquery/1.10.2/jquery.min.js"></script> </head> <body> <p></p> <script> $(function () { var arr =$.grep( [0,1,2], function(n,i){ return n > 0; }); $( "p" ).text( arr.join( ", " ) ); }) </script> </body> </html>
运行结果: