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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

The get method

Next, we will implement the get method to retrieve a value given a key with the following code:

get(key) {  const position = this.hashCode(key);  const linkedList = this.table[position]; // {1}  if (linkedList != null && !linkedList.isEmpty()) { // {2}    let current = linkedList.getHead(); // {3}    while (current != null) { // {4}      if (current.element.key === key) { // {5}        return current.element.value; // {6}      }      current = current.next; // {7}    }  }  return undefined; // {8}}

The first verification we need to do is to check whether there is any value at the desired position. To do this, we retrieve the linkedList at the hash position ({1}) and we verify whether there is an instance of the linkedList or if it is empty ({2}). If there is ...

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Learning JavaScript Data Structures and Algorithms

Learning JavaScript Data Structures and Algorithms

Loiane Avancini

Publisher Resources

ISBN: 9781788623872Supplemental Content