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Last updated: Dec 5, 2021


Functions are one of the fundamental building blocks in JavaScript. A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should take some input and return an output where there is some obvious relationship between the input and the output. To use a function, you must define it somewhere in the scope from which you wish to call it.
Recursion and stack EASY
In this blog, we will be discussing recursion and stack.
Rest parameters and Spread syntax
This article discusses two very similar yet different syntaxes in javascript i.e. rest parameters and spread syntax.
map(), filter(), reduce() in Javascript
This article explains the array methods-map(), filter() and reduce() in Javascript, illustrated with examples.
JavaScript scopes, closures
In this blog, we will JavaScript closures and scopes. These are one of the most sought after topics in web development and widely asked in web development technical interviews.
setInterval( ) in JavaScript EASY
In this article, we will learn about one of the scheduling call algorithms in javascript, the setInterval() method and some examples of the method.
JavaScript onload EASY
This article discusses the onload function in JavaScript and its uses in detail.
Function Object and NFE
This blog explains the function object and named function expression (NFE).
Decorators and forwarding, call/apply
This blog covers details about decorators and forwarding in JavaScript and the need for a call/apply method for the JavaScript function.
JS Currying
In this article, we will learn about Currying in JavaScript. We will see the uses, benefits and example of Currying. We will also see a bit about Advanced Curry Implementation.
Method Chaining
In this blog, we will learn about Method Chaining in Javascript.
JavaScript eval() function EASY
In this article, we will understand the use of the eval function in JavaScript.
Generator Function in JavaScript
In this article, we will learn about generator functions in JavaScript.
In this blog, we will learn about (Immediately Invoked Function Expression) IIFE in JS
Anonymous Functions in JavaScript EASY
In this article, we extensively discussed the anonymous function in JavaScript
Higher-Order Functions in JS EASY
In this session, we are going to discuss passing a function into another function which is Higher-Order Function.
First-Class Functions EASY
This article will show the JavaScript First-Class Functions in detail.
Unary Functions and Pure Function EASY
This article will cover the functions of unary operators and pure functions of Javascript.
JavaScript String() Method EASY
In this blog, we will learn about String(0 Functions in javascript. We will learn more about the methods and properties in javascript.
JavaScript hasOwnProperty() Method EASY
In this tutorial, you will learn about the hasOwnProperty() Method in JavaScript with syntax, parameters, return value and examples.
JavaScript Array map() method MEDIUM
In this article, we will discuss the JavaScript map function and how you can use this function with different types of arrays in JavaScript.
JavaScript parseint() Method EASY
In this article, we will explore the parseInt() function in detail, including its syntax, parameters, and behavior.