JavaScript

JavaScript's += operator is a handy shorthand for adding a value to a variable and reassigning the result. Learn more about this and how to use it.

Learn how to use the startsWith() method in JavaScript to check if a string begins with a specified set of characters.

Learn how to reverse a string in JavaScript using the split(), reverse(), and join() methods or the reduce() method.

Learn how to use the Object.keys() method to access and manipulate the properties of JavaScript objects.

The toString method in JavaScript is a method that allows you to convert the value of an object to a string.

Discover how to compare dates in JavaScript and find out which date is earlier, later, or the same as the other date.

This article explains how to disable a button in JavaScript using the disabled attribute. The article also discusses potential uses for disabling buttons in web applications.

JavaScript is a multi-paradigm language, supporting imperative/procedural programming along with OOP and functional programming.

Discover how to prevent the default behavior of an element and stop event propagation in JavaScript using the preventDefault and stopPropagation.

We can use the event.defaultPrevented property in the event object.

Event Target is a property of an event object in JavaScript that refers to the element that triggered the event.

In JavaScript, two objects are considered equal only if they are the same object, not just if they have the same properties and values.

Learn about the !! operator in JavaScript and its uses for truthy/falsy values, defined/undefined variables, empty arrays and value conversion.