Course Intermediate 11331
Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.
Course Advanced 17634
Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.
Course Advanced 11347
Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.
javascript - Mobile terminal monitors page closing and jump events
2017-06-14 10:52:56 0 1 919
JS/JQuery detects whether the page is refreshed or closed and performs AJAX requests.
2017-07-03 09:06:23 0 4 1490
Course Introduction：If you want to trigger an event before the document is loaded, use the onbeforeunload event. Example You can try running the following code to learn how to implement onbeforeunload event in JavaScript. <!DOCTYPEhtml><html> <bodyonbeforeunload="returnmyFunction()"> <ahref="https://www
2023-09-02 comment 0 1090
Course Introduction：The 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.
2023-06-25 comment 0 3291
