Error Handling in JavaScript

We are very much aware of the term “Error” which means something which is not accurate or wrong. You will find errors in JavaScript as well.  Even if you are a novice, you can learn JavaScript Online that will help you to understand the concept of JavaScript. 

Let’s move to the types of Error in JavaScript

Basically, there are 4 types of errors available in JavaScript. They are as follows:

1. Syntax Error

Syntax errors can be pondered as bugs that cannot be controlled properly because it has a wrong code that is wrong by definition.  It always takes place at the time of interpretation.  

2. Program Error

A program error is also considered as a bug. Suppose, you are reading an undefined property, in that case, it can be neglected with the improvement in the content. It can be done with the addition of a conditional statement.

3. Run Time Error

This error can also be considered an exceptional error. It generally happens at the time of execution of the system out of memory, invalid user point, and failure in connection of database and so on. 

4. Logical Error

Logical Errors are the errors that are being made by the developers in the program logic and in return, you will not get any expected results.  These errors cannot be found easily because they rely on the requirements of the domain.  

Moving forward, let us give you a clear image of differences between the exceptions and errors. 

An Error in JavaScript is considered as a case of Error class.  The error can be dragged to the other function as a parameter. On the other hand, exceptions occur when an error is thrown. Additionally, it is possible to throw anything in JavaScript. 

Exceptions in JavaScript are a segment in a programmers’ life. Therefore, it is very essential for programmers to grasp correctly on how to cooperate with the executions in your program to support your code. If you think you need more knowledge about the basics of JavaScript then you can also search for JavaScript tutorials for beginners and the tutorial videos will help you to clear all your doubts related to JavaScript.

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