<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>無標題文檔</title> <script> var arr = []; Array.prototype.range = function ( start,end ){ var _self = this; var length = end - start +1; var step = start - 1; return Array.apply(null,{length:length}).map(function (v,i){step++;return step;}); } console.log(arr.range(2,10)); </script> </head> <body> </body> </html>