<script type="text/javascript">?
? function openWindow(){
??? var con = confirm("是否打開網頁？");
??? if(con=="true"){
??????? var win = prompt("請輸入要打開的網址","http://www/imooc.com");
??????? if(win!=null){
???????? window.open(win,'_blank','width=400,height=500,menubar=no,toolbar=no');
??????? }else{
??????????? alert('出錯啦！');
??????? }
??? }else{
??????? alert('出錯~');
??? }??
? }
? </script>