Synchronizing Asynchronous JavaScript With ES7ECMAScript version 5 is the latest complete version of JavaScript available and is implemented in every major browser, but ES6 is in the works and promises a much better world for JavaScript developers with features such as a simple class syntax, arrow functions, built-in promises and the like. It doesn’t stop there, though; we’re already looking ahead to ES7 while ES6 is still cooking in the oven
