JavaScript-Statements Archives

How to throw an error when using a property of an object ?

Last Updated: 27 July 2022

In this article, we will try to understand how we may throw an error when using a property of an object with the help of certain theoretical explanations as well as coding...read more

JavaScript-Statements

How to append new information and rethrowing errors in nested functions in JavaScript ?

Last Updated: 28 July 2022

In this article, we will see how we may append new information and rethrow errors in nested functions in JavaScript with the help of certain theoretical explanations unde...read more

JavaScript-Statements

Disabling cannot read property of undefined

Last Updated: 02 August 2022

In this article, we will try to understand the ways in which we may receive errors using the read property of undefined, and later with the help of certain examples, we wi...read more

JavaScript-Statements

JavaScript/TypeScript: Standard way to keep the cause of an Error

Last Updated: 02 August 2022

In this article, we will try to understand that what's the standard way to keep the cause of an Error in JavaScript (or in TypeScript) with the help of certain coding exam...read more

JavaScript-Statements

Eliminate incomplete execution of a set of functions due to unforeseen errors

Last Updated: 02 August 2022

In this article, we will try to understand how we may eliminate incomplete execution of a set of functions due to unforeseen errors with the help of a coding example in Ja...read more

JavaScript-Statements

Why we cannot catch error outside of function in JavaScript ?

Last Updated: 01 August 2022

In this article, we will try to understand why and how we wouldn't be able to catch an error outside of the function, and later we will try to resolve this issue with the ...read more

JavaScript-Statements

Simple way to condense if statements into a function to check arguments

Last Updated: 23 August 2022

In this article, we will try to understand how we use if statements inside a function in order to check the validity of the argument, and later we will see the simple way ...read more

JavaScript-Statements

Unhandle promise rejection in a basic catch block

Last Updated: 08 August 2022

In this article, we will try to analyze the case where promise rejection is left unhandled in the basic catch block itself with the output which will receive later on its ...read more

JavaScript-Statements

The 'new' operator in Javascript for Error Handling

Last Updated: 09 January 2023

In this article, we will see new operator usage during error throwing as well as handling the error() method in JavaScript using theoretical as well as coding examples.Jav...read more

JavaScript-Statements

How to make a function to perform try/check without causing an error ?

Last Updated: 08 August 2022

In this article, we will try to understand how to make a function perform a try/check (or basically try-catch operation) without causing an error, with the help of certain...read more

JavaScript-Statements

How to intercept all errors in a class instance ?

Last Updated: 10 August 2022

In this article, we will try to understand how we could easily intercept or catch all the errors in a class instance with the help of theoretical explanations as well as c...read more

JavaScript-Statements

How to create a global Promise Rejection Handler in JavaScript ?

Last Updated: 17 August 2022

In this article, we will try to understand firstly how we create a Rejected Promise, and later we will see how we may create a Global Promise Rejection Handler which will ...read more

JavaScript-Statements

How to use await outside of an async function in JavaScript ?

Last Updated: 23 August 2022

In this article, we will try to understand in what way or by how we may use await outside of an async function in JavaScript with the help of both theoretical explanations...read more

JavaScript

Web Technologies

JavaScript-Questions

JavaScript-Statements

JavaScript Return Statement

Last Updated: 07 February 2025

The return statement in JavaScript is used to end the execution of a function and return a value to the caller. It is used to control function behaviour and optimise code ...read more

JavaScript

Web Technologies

JavaScript-Statements

JavaScript with Statement

Last Updated: 29 January 2024

The with statement in JavaScript allows for simplified access to object properties by establishing a default object scope. While it can reduce code repetition, it is gener...read more

JavaScript

Web Technologies

JavaScript-Statements