1.split方法——通过分隔符，将字符串分割，导出字符数组
常用于：分割IP地址，分割文件路径（上传文件时）等等
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title></title> <script type="text/javascript"> function splitString(){ var str1 = "lucy,jim,wanly"; var arr = str1.split(","); for(var i =0;i<arr.length;i++) document.write(arr[i]+"<br>");} splitString(); </script> </head> <body></body> </html>