iis does not execute javascript

IIS is a commonly used Windows server software that is very suitable for communication between clients and servers. However, sometimes we encounter some problems while using IIS, one of which is that IIS does not execute JavaScript code. This may cause various problems on our website, such as buttons not working, pages failing to load, or even directly causing the website to crash.

In order to solve this problem, we need to understand some basic concepts first. In IIS, different file types are assigned to different handlers. For example, ASP.NET pages are assigned to the aspnet_isapi.dll handler, while static files (such as HTML, CSS, or JavaScript files) are assigned to the default static file handler.

However, sometimes there may be a configuration error that causes static files to be assigned not to the static file handler correctly, but to the wrong handler. This is a common reason why IIS won't execute JavaScript code.

The solution to this problem is simple. We just need to check that the handler mapping is configured correctly and map the static files to the correct handler. The following are the detailed steps:

1. Open IIS Manager

First, we need to open IIS Manager. This can be accomplished by pressing Windows R and then entering the inetmgr command. You can also directly search for IIS Manager in the Windows search bar to open it.

2. Open the "Handler Mapping" function

Next, we need to find the "Handler Mapping" function in the menu on the left. This is usually under the "Handlers" node. Click on it and all configured handler mappings will be displayed in the right panel.

3. Check static file mapping

Now, we need to check if the handler mapping for static files is set correctly. We can check this by finding the handler called "StaticFile". Make sure it is enabled and mapped to the correct static file extensions (such as .html, .css, and .js).

4. Correct mapping errors

If you find a mapping error, click the Edit button to correct it. Then, change the file type that is mapped to the error handler to map it to the "StaticFile" handler. If there are no mapping errors, no changes are required, we just need to make sure the "StaticFile" handler is enabled.

5. Restart IIS

Finally, we need to restart IIS for the changes to take effect. You can do this by typing the iisreset command at the command prompt.

Summary

The above are the steps to solve the problem of IIS not executing JavaScript code. If you're having JavaScript-related issues with your site, don't panic, just follow the steps above. Also, make sure there are no issues with your code itself and that your browser doesn't have JavaScript disabled.

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