hash-table

Stability: 1 - Experimental

Hash table.

Installation

npm install hash-table

Tests

npm test

Usage

var HashTable = require('hash-table');

var hashTable = new HashTable();
hashTable.insert(73, 'foo');
hashTable.search(73); // -> 'foo'
hashTable.delete(73);
hashTable.search(73); // -> undefined

Documentation

HashTable

A JavaScript implementation of a hash table using an array, integer keys, and open addressing with linear probing.

new HashTable(options)

• options:
  • numberOfHashSlots: Integer An optional size of slots to use in the table (Default: 13)
  • prime: Integer A prime number that is greater than maximum key value that will be entered (Default: Math.pow(2,52) - 47; see: http://primes.utm.edu/lists/2small/0bit.html)

Creates a new HashTable.

hashTable.delete(key);

• key: Integer key to delete

Deletes the specified key and data.

hashTable.insert(key, data);

• key: Integer key
• data: Any satellite data to insert, cannot be null or undefined

Inserts the specified key and data. Throws an assertion error if data is null or undefined.

hashTable.search(key);

• key: Integer key to search for

Searches and returns the data stored at specified key, undefined if not found.