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Detailed explanation of onbeforeunload event
The onbeforeunload event refers to an event that occurs before the window is closed. It is usually used to prompt the user to leave the page with a warning message. This event is called through the window object. Before the window is closed, this event can be used to terminate the page jump or display a warning message. . This page also provides content related to the onbeforeunload event for everyone to download and experience for free.
Detailed explanation of onbeforeunload eventThe onbeforeunload event is a commonly used event in JavaScript. It is usually used to prompt some information before the user leaves the page to ensure that the user does not leave the page unintentionally and lose important data. In this article, we will introduce the onbeforeunload event in detail, including its definition, usage and common problems.
Send a request before Vue closes the pageWhen building web applications with Vue.js, we often need to perform some operations to clean up the state or send some last requests. One of the scenarios is that when the user closes the page, we need to send a request to save the current state or perform some cleanup operations to ensure that the data is not lost. In a traditional website, we can perform some operations in the window.onbeforeunload event. But in Vue.js, when we use Vue Router for page navigation, only Vue Ro will be triggered when closing the page
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