How to clear cache in Ajax

This time I will show you how to clear the cache in Ajax, and what are the notes for clearing the cache in Ajax. The following is a practical case, let's take a look.

1. Add anyAjaxObj.setRequestHeader(“If-Modified-Since”,”0″) before sending the ajax request.

2. Add anyAjaxObj.setRequestHeader("Cache-Control","no-cache") before sending the request via ajax.

3. Add a random number after the URL: “fresh=" + Math.random();.

4. Add the time after the URL: "nowtime=" + new Date().getTime();.

5. If you are using jQuery, just do $.ajaxSetup({cache:false}). In this way, all ajax on the page will execute this statement and there is no need to save cache records.

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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