Built-in JavaScript objects and functions are ones you'll use all the time. Here's how to use Object, JSON, String, Math, Date, and console in your JavaScript programs.

Get tips for instantiating JavaScript's prototype-based objects two ways: via constructor functions or object initialization.

The Date object in JavaScript is the main element when it comes to handling date and time. It records a single point in time as the milliseconds’ number elapsed since the 1st January 1970 00:00: ...

How to Create a Text Box Dynamically in JavaScript. Some call it magic -- the ability to make objects appear suddenly out of nowhere. You can create this kind of magic on your website using a few ...

The first step in building an object in TypeScript is defining the objects with which you'll be working. I'll show you how to do that, as well as look at some of the TypeScript support for the latest ...