求助各位，怎么运行不了

Question

   function openWindow(){         var oPen=confirm("是否打开新窗口");         if(oPen==true){             var url=prompt("确定打开网址？"，"http://www.imooc.com/");             if(url!=null){                 window.open(url,"_blank","width=400px,height=500px,menubar=no,toolbar=no");             }             else{                 alert("结束");             }         }         else{             alert("结束")；         }     }

Answer 1

window.open(url,'_blank','width=400px','height=500px','menubar=no','toolbar=no');