Brad Morton

This tutorial will show you how to sort arrays in the JavaScript programming language with the array sort() method and provide some code examples. What is an Array in JavaScript? An array is a type of JavaScript variable that can hold a series of variables, references to variables, or values. It’s like a list of items. Each item or element in the array has a value and a position. The position is the order the element appears in the array and is called the index. Indexes are zero-indexed – meaning … Read more

This article will show you how to generate a range of numbers or letters in JavaScript, and provide some functions you can copy and paste into your own project. The Python, PHP, and many other popular programming languages provide a range() function, for generating a range of numbers or letters between two values. JavaScript does not have a built-in function for doing this, but it’s easy functionality to implement yourself. Here’s how to do it, and some pre-made functions you can just paste into your own project to use … Read more

This tutorial will show you how to properly copy/clone an array or object in JavaScript – it’s not as simple as it seems! Copying an array or object may seem simple – but JavaScript throws a spanner in the works – the fact that when you assign the value of one variable to another it references the original variable. This means that if the value of the original variable is changed, the value of the copy will change too! To get around this, you will need to clone the array – ensuring … Read more

This article will explain the JavaScript break and continue statements and how they are used to exit and skip iterations in loops. JavaScript Loops In programming, a loop iterates through a series of values, performing an action on each value it encounters. Arrays can be looped through using the forEach method, and the for statement can be used to loop through a set of values generated by a JavaScript expression. You may encounter situations where you want to prematurely exit a loop, or skip processing certain values in the loop. This is what … Read more

This tutorial will show you how to search arrays in JavaScript using the Array.find() method, and show some code examples. JavaScript Arrays An array is a type of variable that holds an ordered list of values (or references to other variables), called array elements. Each element has a position in the array, called the index – and can be accessed by using that index. We’ve got a whole pile of things you can do with JavaScript arrays. Accessing elements in the array by their index is convenient, … Read more

This guide aims to succinctly show you how multidimensional arrays can be created and used in the JavaScript programming language. What are Arrays? Arrays are a key component in any app kind of app you may wish to build – arrays allow you to store an ordered list of variables or values of any length in a single variable – ready to be iterated over, displayed, or otherwise processed. For example, an array could contain a list of contacts for an instant messaging application, or … Read more