js程序练习 

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>

<body>
<script type="text/javascript">
function openwindow(){
    
    var open=confirm("你是谁？");
    if(open==true){
        
        var url=prompt("请输入身份证");
        
        
        if(url!=null)
        {
            window.open(url,"_blank",'width=400px,height=200px,menuebar=no,toolbar=no');
        }
        else {alert ("必须回答！")}
        
    }
    
    else {alert ("不可进入")}
};




</script>
 <input type="button" value="新窗口打开网站" onclick="openwindow()" /> 
</body>
</html>

 

posted on 2016-04-09 20:44  宁静致远-zw  阅读(500)  评论(0)    收藏  举报