Introduction

Arrays are one of the most widely used data structures in Computer Science. While dealing with a list of items (array), we are often required to look for a particular value in the list. JavaScript contains a few built-in methods to check whether an array has a specific value,

Introduction

Almost every website involves collecting user input through html forms. Whenever we collect user data, we have to validate it. In Computer Science, data validation is the process of checking whether the data entered is sensible and reasonable.

Consider developing a form for email subscriptions. In this case, we

Introduction

Hoisting is a JavaScript behavior commonly known for making variables and functions available for use before the variable is assigned a value or the function is defined. In effect, it puts variable, function and class declarations to the top of their scope (the global scope or a function) before

Introduction

Working with files is a common task with any programming language. File manipulation requires us to know their location. One of the most fundamental ways to interact with files is to list files in a directory.

In this article, we'll be using Node.js and the built-in fs module