W3School TIY
编辑您的代码:
<html> <body> <script type="text/javascript"> var arr = new Array(3); arr[0] = "George" arr[1] = "John" arr[2] = "Thomas" document.write(arr.join()); document.write("<br />"); document.write(arr.join(".")); </script> </body> </html>
查看结果: