Prompt when Jquery closes the page

When we leave the page, the prompts are displayed on the page where we send news or write logs. If we leave the page when we do not save the information in the Baidu space or QQ space, the following describes how to use beforeunload of jquery to implement this method.

Prompt code displayed when jquery leaves the page

The Code is as follows:	Copy code
// Bind the beforeunload event $ (Window). bind ('beforeunload', function (){ Return 'the content you entered has not been saved. Are you sure you want to exit this page? '; }); // Unbind, which is generally placed in the submitted trigger event $ (Window). unbind ('beforeunload ');

Js exit page prompt

The Code is as follows:	Copy code
Window. onbeforeunload = function (event ){ Return confirm ("are you sure you want to exit "); }