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I'm writing an asp.net project. When trying to fix a bug, I updated one of my javascript files and then deployed the new version on my server's IIS 6.0. I can see that the new javascript file has been updated on the physical folder of the website. However, when verifying the bug from my local machine I found that it's not fixed. After some investigation, I realized that it's because the javascript file received by my browser is not the latest version. I deleted IE's caches and the problem still exists. Then I tried to download the javascript directly from my website by using the url like: http://myserver.mydomain.com/mywebsite/scripts/myscript.js and found out the downloaded javascript file is of the old version. Then I realized this is probably caused by a cache on the server side. I tried to set the server's IIS: on my site's "Output Caching" option, I unchecked "Enable cache" and "Enable kernel cache"

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Also I added rules for .js and .css file: enter image description here

After taking all these actions, I updated my javascript file on the server, restarted IIS and tried to download it from my local machine again.However, the javascript I downloaded is still not the latest version.

So my question is, what shall I do to make sure the the browser can immediately get the latest version of the javascript file on my server's disk? Thanks!

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1 Answer 1

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I use the old trick of js and css versioning, for example if I create a new js file I call:

new_1.0.0.js

Then, if for some reason I change, I will change the name manually to:

new_1.0.1.js

Also change all the parts where I Referencing. With this, your browser should always bring you the latest standalone version of the settings you have in the IIS. At least in my different jobs where I used II6 or II7 have applied and it has worked.

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3 Comments

Simple, but so obvious. Thanks for the idea !
It's crazy to me that there is no better solution for this. Been googling and trying various things to no avail. I've got about 30+ changed js files. Do i really need to go in and manually rename all of them and change all the references? That seems insane.
In C#, exists other trick using autogenerated JS renamed post compilation configuration. It using web.config section.

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