JavaScript Tutorials

A Closer Look at jQuery Selectors

Selectors are the foundation of the jQuery library. They will always be used when using jQuery to manipulate the DOM. Selectors operate as a function to return a matching element. They come with the jQuery library and are ready to…

What is JSON?

JSON is an acronym for JavaScript Object Notation. It is a JavaScript object that organizes data in key/value pairs. Storing data in this manner makes these objects lightweight and language independent. This means JSON can be read by most programming…

JavaScript: Go to URL: A Complete Guide

The window.location value represents the current URL you are viewing in your browser. You can replace this value to go to another URL In JavaScript. This is useful if you want to redirect a user to another page. You can…

JavaScript JSON: A Guide

JSON, short for JavaScript Object Notation, is a way of storing data. In JSON objects, values are mapped to labels called keys. JSON objects can store any data type, including strings, integers, and other JSON values. JSON is a standard…

JavaScript: Object.values(): A Complete Guide

The JavaScript Object.values() method retrieves a list of the values in an object. You can iterate over the result of the values() method to see the contents of each value in the object. Objects contain keys and values. Sometimes, you…

JavaScript Ternary Operators: A Step-By-Step Guide

The JavaScript ternary operator evaluates a statement and returns one of two values. A ternary operator can be instructed to return a value if the statement evaluates to either true or false. The syntax for the ternary operator is: statement…

JavaScript Modulo: A How-To Guide

The JavaScript modulo operator returns the remainder of a division sum. To calculate the remainder of a division sum, use the percentage sign (%). The syntax for the modulo operator is: (number_one % number_two). How to Use the JavaScript Modulo…

An Introduction to Strings in JavaScript

A string in JavaScript, as is the case in many other programming languages, is a data type that holds data in text form. A common use for strings in the context of a web application is holding a user’s input…

Manage State in React with setState

Keeping track of an application’s state is how a single page application (SAP) registers changes and renders them to the user. Unlike a model, view, controller (MVC) framework, SAPs do not redirect the user, and therefore need a way to…

A Beginner’s Guide to jQuery on()

The jQuery on() method is a way to attach an event handler on an element. The element passed to the selector can be anything on the page. Most commonly, on() is a way to attach a click handler to a…

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