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Solve the problem of jquery asynchronously refreshing at a certain time interval_jquery

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Release: 2016-05-16 17:47:03
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I want to refresh the pictures on a web page at a certain time interval without changing the name of the picture. I change the content of the picture on the server side. Can the front end achieve dynamic effects in this way? Does the browser have a cache?
For example, if I want to refresh the picture below asynchronously, what should I do?

Copy code The code is as follows:



The solution is to add a timestamp to prevent caching, as follows:
Copy code The code is as follows:



JScript code :
Copy code The code is as follows:

setInterval(function(){document.getElementById(' image').src='xxx.jpg?_dc=' new Date().getTime()},5000);//Update every 5s

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