JavaScript

How-tos JavaScript eval() Method Alternative This article explores alternatives to the JavaScript eval() method, highlighting the Function constructor, JSON.parse(), and template literals. Learn how to execute dynamic code … ↗ How-tos Bitwise XOR Operator in JavaScript This article explores the bitwise XOR operator in JavaScript, explaining its functionality and practical applications. Learn how to use the XOR operator to swap numbers and find … ↗ How-tos How to Filter Array of Objects in JavaScript This article will help you understand the JavaScript filter() method to filter an array of objects. Learn how to use the filter() function to create new arrays based on specific … ↗ How-tos How to Get the Last Item in an Array in JavaScript Learn how to get the last item in an array in JavaScript with various methods. This comprehensive guide covers techniques using length property, slice, pop, and the new at method. … ↗ How-tos How to Generate Values in A Range in JavaScript This article introduces various methods to generate values in a specified range using JavaScript. From traditional loops to modern ES6 features like Array.from() and the spread … ↗ How-tos How to Simulate a Struct in JavaScript This tutorial teaches you how to simulate a struct in JavaScript using objects, classes, and factory functions. Discover practical examples and clear explanations to enhance your … ↗ How-tos How to Generate Random Number in a Specified Range in JavaScript This tutorial introduces how to generate random numbers inside a specified range in JavaScript. Learn to use the Math.random() function to create both integers and floating-point … ↗ How-tos How to Check if a Variable Is Not Null in JavaScript This tutorial teaches how to check if a variable is not null in JavaScript. Explore various methods such as using strict and loose equality operators, the logical NOT operator, and … ↗ How-tos Bubble Sort in JavaScript Learn how to implement Bubble Sort in JavaScript with this comprehensive tutorial. Explore both basic and optimized versions of the algorithm, understand its mechanics, and see … ↗ How-tos How to Check if a Variable Is Undefined in JavaScript This tutorial introduces how to check if a variable is undefined in JavaScript. Learn various methods including the typeof operator, direct comparison, void operator, and optional … ↗ How-tos How to Call a JavaScript Function Into an HTML Body This article explains how to call a JavaScript function in an HTML file or body. Discover various methods, including inline event handlers, DOMContentLoaded events, and external … ↗ How-tos How to Add Properties to JavaScript Object This tutorial teaches you how to add properties to JavaScript objects using various methods, including dot notation, bracket notation, and Object.assign(). Enhance your coding … ↗ How-tos JavaScript Enums Discover how to define and use Enums in JavaScript with our comprehensive guide. Learn about their advantages, how to create them using objects and Object.freeze, and see practical … ↗ How-tos JavaScript Average Function Learn how to create a JavaScript average function to calculate the average of an array using loops. This article covers various methods, including for loops, for...of loops, and … ↗ How-tos mailto in JavaScript This article explores how to use the mailto function in JavaScript to create email links that automatically open the user's email client. Learn to implement static and dynamic … ↗ How-tos How to Get Values of Data Attributes in JavaScript This tutorial demonstrates how to get values of data attributes in JavaScript. Learn various methods to access custom data stored in HTML elements using the dataset property, … ↗ How-tos How to Get Element Value Using JavaScript This tutorial demonstrates how to get the element value using JavaScript with various methods such as getElementById, querySelector, and getElementsByClassName. Learn to retrieve … ↗ How-tos How to Get Element by Attribute in JavaScript This tutorial demonstrates how to get elements by attribute using JavaScript. Learn various methods including querySelector, getElementsByClassName, and querySelectorAll. Enhance … ↗ How-tos How to Update Array Values in JavaScript Learn how to update array values in JavaScript with this comprehensive tutorial. Explore various methods including index assignment, map, splice, and forEach to modify arrays … ↗ How-tos How to Use Variable as Key in JavaScript Learn how to use variables as keys in JavaScript objects effectively. This article explores various methods such as bracket notation, Object.assign(), ES6 object literal … ↗ How-tos Underscore Prefix in JavaScript This article explores the underscore prefix in JavaScript variables, explaining its purpose and best practices. Learn how to use this convention effectively to improve your coding … ↗ How-tos How to Escape Backslash in JavaScript Learn how to escape backslashes in JavaScript effectively. This article covers various methods, including using double backslashes, template literals, and String.raw, to help you … ↗ How-tos How to Get Selected Radio Button Value in JavaScript Learn how you can get the value of selected radio button in JavaScript. ↗ How-tos How to Get Element by Name in JavaScript Learn how to get element by name in JavaScript. ↗