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点击按钮没反应，求高手看看错在哪里

<!DOCTYPE html>
<html>
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<script type="text/javascript">
    function openWindow()
{
  var open=confirm("确定打开新的窗口");
   if(open=true)
    {
    var url=prompt("打开输入的网址","www.baidu.com");
    if (url!=null)
     {
     window.open(url"_blank");
       }
    else
     {
     alert("88");
     }
    }
   else
    {
    alert("再见");
    }
}
</script>
</head>
<body>
<form>
   <input type="button" value="新窗口打开网站" onclick="openWindow()">
      </form>
</html>

慕瓜4488895

2018-05-28

源自：JavaScript入门篇 4-1

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2 回答

外星人a
2018-05-28

<!DOCTYPE html>
<html>
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<script type="text/javascript">
    function openWindow()
{
  var open=confirm("确定打开新的窗口");
   if(open=true)
    {
    var url=prompt("打开输入的网址","www.baidu.com");
    if (url!=null)
     {
     window.open(url"_blank");
       }
    else if
     {
     alert("88");
     }
   else
    {
    alert("再见");
    }
}
</script>
</head>
<body>
<form>
   <input type="button" value="新窗口打开网站" onclick="openWindow()">
      </form>
</html>