在浏览器窗口/选项卡上打开自定义弹出窗口关闭

问题描述：

我正在尝试在浏览器窗口/选项卡上打开自定义弹出窗口。

I am trying to open a custom popup on browser window/tab close.

详细说明如果用户点击浏览器窗口/选项卡关闭按钮，会出现带有某些内容的自定义弹出窗口，或者可能有某些选项要求关闭或继续该页面。

In details if a user clicks on the browser window/tab close button a custom popup will appear with some content or may be having some option asking to close or continue the page.

这里是只带来默认警报弹出窗口的代码：

here is the code which only bring the default alert popup:

window.onbeforeunload = function() {
              var message = 'Do you want to leave this page?';
              return message;
          }

答

我也建议你不要这样做，但毕竟，你问了一个问题并得到答案。

i would also suggest you dont do this, but after all, you asked a question and deserve an answer.

<script type="text/javascript">
     var popit = true;
     window.onbeforeunload = function() { 
          if(popit == true) {
               popit = false;
               return "Are you sure you want to leave?"; 
          }
     }
</script>

此脚本可以使用（ http://jsfiddle.net/SQAmG/3/ ）
并确保它只会弹出一次（如果他决定不再打扰用户）留一次）。

this script will work (http://jsfiddle.net/SQAmG/3/) and will make sure that it will only popup once (to not bother the user again if he decided to stay once).

在浏览器窗口/选项卡上打开自定义弹出窗口关闭

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