Introduction

Having to manually format a number as a currency string can be a tedious process. Even though this can be done oftentimes in a few lines of code, it's good practice to follow a standardized norm rather than hardcode it yourself, plus it's way easier for the developer writing

Introduction

Dates are a really common data type developers work with. From timestamps of certain actions, to reports, sign up features and limited-time access in systems that require subscriptions - we oftentimes have to compare dates.

That is, we compare if a date is after or before another, if the

Introduction

Most web applications nowadays will require you to fill out a form at some point, be it an online banking application or a music streaming service.

And because end users are never to be trusted, we need to fool-proof our application so that it detects when the input is

Introduction

An object in JavaScript is a collection of key-value pairs. One of these key-value pairs is called an object property. Both keys and values of properties can be of any data type - Number, String, Array, Object, etc.

For example:

const dog = {
    name: "Sandy",
    age: 3,
    emoji:

Introduction

In English, it's essential to capitalize the first letter of a sentence. JavaScript has built-in methods to help us with this.

In this article we will look at three different ways to check if the first letter of a string is upper case and how to capitalize it.

Check

Introduction

Comparison operators are used in logical statements to determine whether two variables or objects are equal by some already set or custom defined criteria. If the two variables or objects are deduced to be equal the operator returns true, and false if they aren't.

Comparison operators in JavaScript are: