<script type="text/javascript">
    function showDiglog(){
    	var array = [1,2,3];
    	var x = window.showModalDialog("second.html",array);
         //这里阻塞,直到弹出的模态窗口被手动关闭
    	alert(x);
    }
</script>
<input type="button" value="click" onclick="showDiglog()"/>

<script type="text/javascript">
	var args = window.dialogArguments;
	if (args != null) {
		for ( var i = 0; i < args.length; i++) {
			document.writeln(args[i] + " " + (i + 1) * 10);
		}
	} else {
		document.writeln("对不起，参数为空");
	}
	//向父窗口返回的值
	window.returnValue = "这是子窗口返回来的值";
</script>