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.

At the recent FullStack conference in London, JavaScript creator Brendan Eich, and JSON creator and JavaScript: The Good Parts author Douglas Crockford spoke on the future of JavaScript.

There are many things to like about JavaScript Object Notation ( JSON ) as a "a lightweight data-interchange format." In particular, JSON is often compared favorably against XML because of the ...