                        课程
                    
                        /前端开发
                        
                            /JavaScript
                        
                        /JavaScript入门篇

求大神看看

<!doctype html>
<html>

<head>
    <meta http-equiv="content-type" content="text/html;cherset=utf-8">
    <title>期中作业</title>
    <script type="tezt/javascript">
    function a1(){
        var a2=confirm("是否打开？");
        if(a2==true){
            var a3=prompt("请输入网址","http://www.hao123.com")
            window.open(a3,'_blank','width=400,height=500,menubar=yes,toolbar=no')
        }
        else{

        }
        }
    </script>
</head>
<body>
<input name="button" type="button" value="点这里" onclick="a1()"/>
</body>
</html>

点了框子，没弹出确认狂