10 Questions
What feature in ECMAScript 2015 allows for clean exportation and importation of values to and from other modules without the need for global declaration?
ECMAScript Modules
Which symbol is used to represent the spread operator in ECMAScript 2015?
Three dots (i.e. ...)
What is the shorthand for declaring functions using the thick arrow symbol in ECMAScript 2015?
Arrow Functions (i.e. =>)
What does the Promise object in ECMAScript 2015 allow for in asynchronous programming?
Chaining of callbacks
Which feature in ECMAScript 2015 is used for creating a custom way to iterate through an object using a for…of loop?
Iterators
What major shift in JavaScript standards does ES6 represent?
ES6 represents a major shift in JavaScript standards.
According to the ECMA International, what were the goals of the ES6 standard?
The goals of the ES6 standard included providing better support for large applications, library creation, and for use of ECMAScript as a compilation target for other languages.
Why is mastery of at least ES6 level essential for a developer in modern day application development?
Mastery of at least ES6 level is essential for proficiency in modern day Web, mobile and even desktop applications development using JavaScript or languages that can be transpiled to JavaScript.
What is the significance of ECMAScript being used as a compilation target for other languages?
ECMAScript being used as a compilation target for other languages provides better support for large applications and library creation.
What was the status of ECMAScript as at the writing of the book's edition?
As at the writing of this book's edition, ECMAScript was in its 9th edition released in June 2018.
Learn about the new features introduced in ECMAScript version 6 (ES6) and beyond, including arrow functions, classes, promises, and template literals. This chapter explores how these updates have elevated JavaScript to a language capable of handling complex applications.
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