1. Declare the cache in the html/htm file. The declaration method is as follows:
1 <!DOCTYPE HTML> 2 <html manifest="demo.appcache">
...
3 </html>
2. The pages that need to be cached are directly specified in the manifest file
Please note : The suggested file extension for the manifest file is: ".appcache".
The manifest file needs to be configured with the correct MIME-type, which is "text/cache-manifest". It must be configured on the web server.
CACHE MANIFEST #CACHE MANIFEST - files listed under this heading will be cached after the first download # 2018-05-2 v1.0.0 /theme.css /logo.gif /main.js NETWORK:#NETWORK - files listed under this heading require a connection to the server and will not be cached login.asp FALLBACK:#FALLBACK - The files listed under this heading specify fallback pages (such as 404 pages) when the page is unreachable / html5 //404.html
three,
Once an application is cached, it remains cached until:
- User clears browser cache
- The manifest file is modified (see tips below)
- Updating the app cache by the program