How to implement the prompt save function of the web page

xiaoxiao2021-03-06  103

Feed: How to implement the prompt of the web page Souce: XML Lancer Author: lancer 0 Comments Every time you hear the customer complain that your own modification and a long time is lost because of your misoperation, you always want the web page. Have a prompt to save functions like a Window Form. Therefore, after a period of research, this feature is finally realized!

============ Checksave.js =================================================== @! To Prompt User to Save Data .-->