JavaScript has three main features that commonly trip up people from other languages. If you understand these three things, you'll be way ahead of the curve: 1

JavaScript has three main features that commonly trip up people from other languages. If you understand these three things, you'll be way ahead of the curve: 1) What `this` means in a function context https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/this https://developer.mozilla.org/en-US/docs/JavaScript/Referenc... 2) The prototype chain and prototypal inheritance https://developer.mozilla.org/en-US/docs/JavaScript/Introduction_to_Object-Oriented_JavaScript https://developer.mozilla.org/en-US/docs/JavaScript/Introduc... 3) Function closures and variable scoping https://developer.mozilla.org/en-US/docs/JavaScript/Guide/Closures https://developer.mozilla.org/en-US/docs/JavaScript/Guide/Cl...