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Articles and tutorials that provide concise explanations of JavaScript concepts.
Introduction A Map is a collection of elements, where each element is stored as a key: value pair. By this definition, it can seem similar to an Object, but while a Map can accept any data type (both primitive values and objects) as its key, an Objec...
All JavaScript values are objects, except primitives. What's an Object? An object is a collection of properties in key: value pairs. To understand better, let's take a closer look: Object Properties Let us describe a ball using a couple of variables...
Introduction While working with arrays, most developers often find it challenging to differentiate between Array.prototype.splice() and Array.prototype.slice(). In this article, we will look at these two array methods, understand how they work, and k...
What's an Array? An array is a data structure used to store a collection of elements in an ordered form. let myArray = ["cheese", "milk", true, 8, "flamingo"]; An array can store elements of different data types - strings, numbers, booleans, objects,...
Recursion is when a function calls itself until it is stopped, otherwise it continues to call itself forever. A function that does this is called a recursive function. It usually has this syntax: function recurse() { if (condition) { // stop re...
What is a loop? A loop is a sequence of instructions, repeated until a certain condition is reached. Loops are used in JavaScript to perform repeated tasks based on a condition, which typically returns true or false when analyzed. A loop will continu...
