Array js扩展方法 forEach()
<!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> <title></title> </head> <body> <script> var array = [1, 2, 3, "csser"]; array.forEach(function (o, i) { alert(o) }); </script> </body> </html>