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Learning JavaScript Data Structures and Algorithms - Third Edition
book

Learning JavaScript Data Structures and Algorithms - Third Edition

by Loiane Avancini
April 2018
Beginner to intermediate content levelBeginner to intermediate
426 pages
10h 19m
English
Packt Publishing
Content preview from Learning JavaScript Data Structures and Algorithms - Third Edition

ECMAScript 2015 – the Set class

ECMAScript 2015 introduced a Set class as part of the JavaScript API. We developed our Set class based on the ES2015 Set class.

You can see the details of the ECMAScript 2015 Set class implementation at https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set (or http://goo.gl/2li2a5).

Now, let's take a look at how we can use the native Set class, as well.

Let's use the same examples we used to test our Set class, as follows:

const set = new Set(); 
set.add(1); 
console.log(set.values()); // outputs @Iterator 
console.log(set.has(1)); // outputs true 
console.log(set.size); // outputs 1 

The difference between our Set class and the ES2015 Set class is that the values method returns ...

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Learning JavaScript Data Structures and Algorithms

Learning JavaScript Data Structures and Algorithms

Loiane Avancini

Publisher Resources

ISBN: 9781788623872Supplemental Content