How to Raise and Handle Exceptions in JavaScript

Quick start with try, catch, throw, and finally

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There are cases when functions fail due to an unexpected problem. A common practice is to throw exceptions in these cases and have a part of the code handling them. This is what JavaScript does.

For example, trying to change a frozen object results in an exception. Here is an…




Learn more on JavaScript, functional programming, and front-end development.

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Cristian Salcescu

Cristian Salcescu

Author of Functional Programming in JavaScript. Enthusiastic about sharing ideas.

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