W3School TIY
编辑您的代码：
<html> <body> <script type="text/javascript"> var x var mycars = new Array() mycars[0] = "宝马" mycars[1] = "奔驰" mycars[2] = "宾利" for (x in mycars) { document.write(mycars[x] + "<br />") } </script> </body> </html>
查看结果: