fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> </head> <body> <script> $(function () { function fun( html ){ document.body.innerHTML += "<br>" + html; } // true fun($.isNumeric( "-10" )); fun($.isNumeric( "0" )); fun($.isNumeric( 0xFF )); fun($.isNumeric( "0xFF" )); fun($.isNumeric( "8e5" )); fun($.isNumeric( "3.1415" )); fun($.isNumeric( +10 )); fun($.isNumeric( 0144 )); //false fun($.isNumeric( "-0x42" )); fun($.isNumeric( "7.2acdgs" )); fun($.isNumeric( "" )); fun($.isNumeric( {} )); fun($.isNumeric( NaN )); fun($.isNumeric( null )); fun($.isNumeric( true )); fun($.isNumeric( Infinity )); fun($.isNumeric( undefined )); }) </script> </body> </html>
运行结果