![]() ![]() Variables and constant feature comparison ![]() ![]() Here is a key of most identifier names used throughout this reference. However, in this resource I'll be using let in place of var for all ES6 examples. Note: A commonly accepted practice is to use const except in cases of loops and reassignment. Here is an overview of some of the most common features and syntactical differences, with comparisons to ES5 where applicable. ECMAScript 2015, also known as ES6, introduced many changes to JavaScript. ![]()
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