1.数组方法：
1>字符串的连接：
var myarr1= new Array("010")
var myarr2= new Array("-","84697581");
ducument.write(myarr1.concat(myarr2));
2>字符串的排序：
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Array对象 </title> <script type="text/javascript"> function sortNum(a,b) { return b - a; } var myarr = new Array("80","16","50","6","100","1"); document.write(myarr.sort(sortNum); </script> </head> <body> </body> </html>