為什么新窗口中的網(wǎng)址自動(dòng)添加了當(dāng)前頁面地址
<script?type="text/javascript">??
????function?openWindow(){
????????var?d?=?confirm("打開新窗口嗎？");
????????????if(d==true){
????????????????var?url?=?prompt("輸入網(wǎng)址：","http：//yifanck.cn/");
????????????????????if(url!=null){
????????????????????????window.open(url,"_blank","width=400,height=500,menubar=on,toolbar=on");
????????????}
????????}
????}?
??</script>
2017-03-08
因?yàn)槟阋呀?jīng)定義過url啊