The latest versions of JavaScript added exception handling capabilities. JavaScript implements the try... catch... finally construct as well as the throw operator to handle exceptions.

Does JavaScript support exception handling?

Exception handling is one of the powerful JavaScript features to handle errors and maintain a regular JavaScript code/program flow. An exception is an object with an explanation of what went amiss. Also, it discovers where the problem occurred.

How are exceptions handled in JavaScript?

In exception handling:

It means when an abnormal condition occurs, an exception is thrown using throw. The thrown exception is handled by wrapping the code into the try… catch block. If an error is present, the catch block will execute, else only the try block statements will get executed.