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

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 ...

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.