Here are the 10 JavaScript concepts that I believe are most essential to writing efficient and scalable Node.js code. A closure in JavaScript is an inner function that has access to its outer ...

JavaScript secret No. 1: Closures A closure in JavaScript gives a function access to its parent’s scope. It’s a terribly confusing concept for developers. When I was learning JavaScript ...

But, there are two basic differences between null and undefined. A ‘closure’ in JavaScript is a function inside another function. The inner function has access to its own variables ...

Google also opened the source code of its own JavaScript compression tools. The library, called Closure, includes an extraordinarily diverse assortment of capabilities with functionality ranging ...