`A bug in my Angular 4 application causes a TypeError when hosted on IIS`

After hosting an Angular 4 app on IIS, it seems there is an issue when accessing the app from machines other than the ones used for development. An error message 

" 'Uncaught TypeError: undefined is not a function' common.es5.js:3084"
appears on these computers.

This error is new to me and I'm unsure of what needs to be done to resolve it. Could it be that something specific needs to be installed on the server? It appears that the two development machines have additional components that allow them to access the Angular 4 app successfully. How can this be rectified?

angulartypescriptiiswebpack

Answer №1

The reason for this issue is most likely not due to any downloads on the machines. Instead, it appears that the browsers on the non-developer machines lack support for certain Javascript functions (indicating they are outdated).

To solve this problem, you might have to include a polyfill in your angular build, which will provide newer Javascript features for older browsers. However, without analyzing your code directly, it's difficult to pinpoint exactly what needs to be added.

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