Js implements the method (including browser button events) for prompting users to leave the page before they leave the page _ javascript skills

This article mainly introduces how js prompts users to leave this page before they leave the page. It provides a detailed analysis of javascript's operation skills for browser events and provides some reference value, for more information, see the examples in this article. This article describes how to notify users of leaving this page before they exit js (including browser button events ). Share it with you for your reference. The details are as follows:

Before you exit the page, you are prompted to leave the page (including browser button events)