请老师检查是否正确

来源：1-15 编程练习

慕侠5902054

2019-10-18 16:20:41

<!DOCTYPE html>
<html>
    <head lang="en">
        <meta charset="UTF-8">
        <title>打开/关闭页面</title>
    </head>
    <body>
       <input type="button" name="" value="打开页面">
       <script type="text/javascript">
           //补充代码
           var btn=document.getElementsByTagName("input")[0];
           btn.onclick=function(){
               var result=window.confirm("是否打开页面");
               if(result){
                   window.open("newPage.html","newhtml","width=300,height=300,left:600,top:200,location=no,menubar=no,scrollbars=no")
               }else{
                   window.close();
               }
           }
       </script>
    </body>
</html>

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