ES6 In Depth: Symbols – Mozilla Hacks - the Web developer blogES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. Note: There is now a Vietnamese translation of this post, created by Julia Duong of the Coupofy team. What are ES6 symbols? Symbols are not logos. They’re not little pictures you can use in your code. let 😻 = 😍 x 😺; // SyntaxError They’re not
