Skip to Content
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

Creating the toString method

In the array version, we do not need to worry about a toString method because the data structure will use the one already provided by the array. For this object version, we will create a toString method so we can print the content of the stack similar to an array:

toString() {  if (this.isEmpty()) {    return '';  }  let objString = `${this.items[0]}`; // {1}  for (let i = 1; i < this.count; i++) { // {2}    objString = `${objString},${this.items[i]}`; // {3}  }  return objString;}

If the stack is empty, we simply return an empty string. If it is not empty, we will initialize the string with the first element, from the base of the stack ({1}). Then, we will iterate through all the keys of the stack ({2}) until its top, adding ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Learning JavaScript Data Structures and Algorithms

Learning JavaScript Data Structures and Algorithms

Loiane Avancini

Publisher Resources

ISBN: 9781788623872Supplemental Content