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

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.

Prototype pollution flaws are "the next big thing" in JavaScript security research. Written by Catalin Cimpanu, Contributor April 21, 2019 at 2:44 p.m. PT Image: jQuery team ...