So far we have always assumed that the HTTP request which we are going to make from angular application is always going to succeed. But what if there is an error. An HTTP request can return an error in many cases. For example, when there is no internet connection or server is down etc.

In such scenario's we should handle the error returned and show a meaningful error message to the end user. In this lecture and in next few lectures, you are going to learn different ways in which you can handle HTTP error responses.

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