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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

Retrieving a value from the hash table

Retrieving a value from the HashTable instance is also simple. We will implement the get method for this purpose, as follows:

get(key) {  const valuePair = this.table[this.hashCode(key)];  return valuePair == null ? undefined : valuePair.value;}

First, we will retrieve the position of the given key parameter using the hashCode method we created. This function will return the position of the value, and all we have to do is access this position from the table array and return its value.

The HashTable and Dictionary classes are very similar. The difference is that in the Dictionary class, we store the ValuePair in the key property of the table (after it was transformed to a string), and in the HashTable
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Learning JavaScript Data Structures and Algorithms

Learning JavaScript Data Structures and Algorithms

Loiane Avancini

Publisher Resources

ISBN: 9781788623872Supplemental Content