gadyonysh/es2015-presentation

ECMAScript now and in the future

ECMAScript 2015

• Block bindings
• Assignment destructing
• Spread operator
• Default function params
• Arrow functions
• Template literals
• Object literals
• Classes
• Symbols
• Iterators
• Promises
• Generators
• Maps
• WeakMaps
• Sets
• WeakSets
• Proxy
• Modules
• Object
• Number
• Math
• Array
• String

ECMAScript 2016

• Array.prototype.includes(needle, startIndex = 0)
• Exponentiation operator: num1 ** num2 == Math.pow(num1, num2)

ECMAScript future proposals

• ES2017: Object.values()/Object.entries()
• Asynchronous functions
• String.prototype.padStart()/String.prototype.padEnd()
• Trailing commas in function params and calls: function (a, b,) {}

Links

• Understanding ECMAScript 6 (online book by N. C. Zakas)
• ES6 Overview in 350 Bullet Points
• ES2015 compatibility table
• The TC39 Process document
• ECMAScript current proposals
• ES-next compatibility table
• ES2015 performance comparison
• Babel (transpiler)