Category: Error Handling

The custom errors in JavaScript are errors that you create yourself, as opposed to the built-in errors that JavaScript throws. You can create custom errors to handle specific types of errors that may occur in your code. To create a custom error, you can use the Error constructor. The Error constructor takes a string as its argument, which…

Custom errors are a way to create user-defined error types in JavaScript. This can be useful for handling specific types of errors, such as database errors or HTTP errors. JavaScript contains multiple built-in objects for the errors. Whenever any error occurs in the JavaScript code, it throws an instance of the Error class. However, you can…

What is Debugging? Debugging in JavaScript is a process of examining JavaScript code and finding erros and fixing them. Every now and then, developers commit mistakes while coding. This error can be logical, syntax, or runtime errors. An error in a program or a script is referred to as a bug. The process of finding…

JavaScript try…catch Statement The try-catch statement in JavaScript is used to handle the runtime errors (exceptions). This is very common in most programming languages to handle exceptions. A try-catch statement can handle only runtime errors. The try block must be followed by either exactly one catch block or one finally block (or one of both). Inside the try{}…

Error handling in JavaScript is a process to detect and handle errors that occurs during the execution of a program. Errors can be a syntax, runtime or logical errors. An error occurred during the execution of the program is called a runtime error or an exception. In JavaScript, errors can occur due to programming mistakes,…