javascript-functions Archives

All about Functions and Scopes in JavaScript

Last Updated: 21 December 2022

In this article, we will cover all the basic concepts of JS functions, callbacks, scopes, closures in-depth which would help you to -understand different types of function...read more

Difference between ‘function declaration’ and ‘function expression' in JavaScript

Last Updated: 03 January 2024

Functions in JavaScript allow us to carry out some set of actions, important decisions, or calculations and even make our website more interactive. In this article, we wil...read more

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p5.js colorMode() Function

Last Updated: 31 October 2021

The colorMode() function is an inbuilt function in p5.js which is used to let the user choose between RGB or HSB color options. The RGB color mode is by default. Thus, the...read more

How to check whether a number is NaN or finite in JavaScript ?

Last Updated: 16 September 2024

When working with numbers in JavaScript, it's important to know how to determine if a value is NaN (Not-a-Number) or finite. This knowledge is crucial for data validation,...read more

How to Encode and Decode a URL in JavaScript?

Last Updated: 02 September 2024

Encoding and decoding URLs in JavaScript is essential for web development, especially when making GET requests with query parameters. This process ensures special characte...read more

How to understand various snippets of setTimeout() function in JavaScript ?

Last Updated: 02 January 2023

When dealing with JavaScript, there will be times when you wish to run a function after a particular period of time. For this, we use setTimeout(), an asynchronous method ...read more

Lambda Expressions in JavaScript

Last Updated: 07 June 2025

A lambda expression also known as arrow-function is a function without a name defined using the arrow = syntax introduced in ES6 (ECMAScript 2015). Unlike traditional func...read more

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JavaScript BigUint64Array() Constructor

Last Updated: 28 April 2025

The BigUint64Array() Constructor creates a new typed array of the 64-bit unsigned integers (BigInts). Typed arrays are a way to handle and manipulate binary data in a spec...read more

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JavaScript get Function

Last Updated: 24 June 2024

JavaScript get function is used to access the properties of an object using dot notation or square brackets. It allows you to retrieve the value associated with a particul...read more

JavaScript Program for Making a Case for Signals

Last Updated: 14 June 2024

In this article, we will learn about Making a case for Signals in JavaScript, In the dynamic landscape of modern web development, efficient communication among different c...read more

How a Function Returns an Object in JavaScript ?

Last Updated: 06 October 2023

JavaScript Functions are versatile constructs that can return various values, including objects. Returning objects from functions is a common practice, especially when you...read more

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JavaScript Higher Order Functions

Last Updated: 09 June 2025

A higher-order function is a function that does one of the following:Takes another function as an argument.Returns another function as its result.Higher-order functions he...read more

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How To Use Return in JavaScript?

Last Updated: 17 February 2025

In JavaScript, the return statement is used to specify the value that a function should produce when it is called. It helps in controlling the flow of execution and provid...read more

Are functions objects in javascript?

Last Updated: 19 November 2024

Yes, Functions are considered first-class objects, which means they have the same capabilities as other objects. The following are examples that demonstrates functions beh...read more

Interesting Facts about JavaScript Functions

Last Updated: 16 January 2025

Let us talk about some interesting facts about JavaScript Functions that can make you an efficient programmer.Functions Are First-Class CitizensJavaScript treats functions...read more

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