JavaScript_for...in语句示例

<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)
{//遍历数组mycars。
    document.write(mycars[x] + "<br />");
}
</script>