JS Exception Handling Tutorial | Error Handling in JavaScript | Javascript Tutorial | Intellipaat
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In this video on Exception Handling using Javascript, we will discuss what is an exception and how to handle the exception. We will also discuss where and how to use exception handling we will also learn about four components of exception handling and at the end we will see some real-life examples and the implementation of error handling using TRY, CATCH, THROW, and FINALLY.
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🔵 Following topics are covered in this session:
0:00 - Introduction
1:01 - What is Exception
2:56 - Introduction to Exception Handling
4:02 - Four Components of Error Handling
8:19 - Examples of Error Handling
A crucial component of JavaScript programming is exception management it was introduced in ES6, which enables programmers to handle errors and unforeseen circumstances that may arise while their code is being executed. Applications may recover from failures and carry on operating normally because of JavaScript's robust exception-handling methods. There are four main components of exception handling that are Try Catch Finally and Throw.
When an exception is thrown within the try block, JavaScript immediately transfers control to the corresponding catch block. The catch block receives the exception object as a parameter, allowing developers to access information about the error and take appropriate action. Within the catch block, developers can log the error, display a user-friendly message, or implement a fallback strategy.
In addition to the optional finally block, which is run whether or not an error occurs, JavaScript now offers the catch block. Cleanup operations, such as terminating database connections or releasing allotted resources, are frequently carried out in the final block.
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