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.

JavaScript syntax in many ways is actually more like Java’s than some of these languages, but its prototype-based approach to object-orientation is very different.