javascript

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Square Root in JavaScript

When developing mathematical solutions, answering algorithm questions, or attempting to solve a problem, situations may arise that require us to find the square root of specific values in JavaScript. In this article, we will learn how to find the square root of a value or element in JavaScript. We can...

Joel Olawanle

May 10, 2022·5 min read

Article

Convert String to Boolean in JavaScript

Suppose we have boolean values stored in our database as strings and based on those values we want to perform some specific operation on our website/application. In that case, we have to convert those strings into boolean values before using them in logical operations. In this article, we'll take...

Joel Olawanle

May 09, 2022·9 min read

Article

JavaScript: Get Min and Max Element of Array

When working with JavaScript, we oftentimes encounter situations that require us to obtain the minimum and maximum elements of an array - be it for setting boundaries for a slider or displaying the statistics to a user. In this article, we'll take a look at how to get the minimum...

Joel Olawanle

May 06, 2022·8 min read

Article

JavaScript: Check if Variable Is a String

JavaScript supports a variety of data types such as strings, numbers, floats, etc. A string is a collection of characters such as "John Doe". Typically, you create them by enclosing characters in double or single quotes. Alternatively, you can make a string by using the new String() constructor:...

Joel Olawanle

May 05, 2022·5 min read

Article

JavaScript: How to Get the Number of Elements in an Array

An array is used to store an ordered collection of values. These values could be a combination of either the same data type or numerous data types - integers, floats, strings, boolean, objects, and lots more. Getting the number of elements in an array with JavaScript is a common operation...

Joel Olawanle

May 04, 2022·10 min read

Article

How to Remove Duplicates From an Array in JavaScript

When consuming APIs or retrieving data from an array, you may encounter data that repeats itself, but you only want to select the unique values. For example, assume you have an array representing a restaurant menu, as shown below. You might need to retrieve available categories from that array -...

Joel Olawanle

May 03, 2022·8 min read

Article

Guide to React Component

A component is the probably most important concept to understand in React. It is one of the core building blocks of React that allows us to split a UI into independent, reusable pieces, making the task of building UIs much easier. All of these independent components are then combined into...

Joel Olawanle

Apr 20, 2022·10 min read

Article

How to Create a Draggable Carousel Using Vanilla JavaScript

A website's carousel or slider is an effective way to display multiple images or content in a single space. It encourages visitors to concentrate on important website content while also improving overall visual appeal by saving screen space. In this article, we will learn how to create a draggable carousel...

Joel Olawanle

Apr 20, 2022·9 min read

Article

Get Length of JavaScript Object

Objects are used to store a set of properties, each of which can be thought of as a link between a name (or key) and a value (a collection of key-value pairs). In this guide, we will learn how to get the length of a JavaScript object. Checking the length...

Joel Olawanle

Apr 20, 2022·5 min read