Javascript Data Structure Hash Table via function
function HashTable() { var table = []; var loseloseHashCode = function (key) { var hash = 0; for (var i = 0; i < key.length; i++) { hash += key.charCodeAt(i);//w w w.java 2 s . c om } return hash % 37; }; var djb2HashCode = function (key) { var hash = 5381; for (var i = 0; i < key.length; i++) { hash = hash * 33 + key.charCodeAt(i); } return hash % 1013; }; var hashCode = function (key) { return loseloseHashCode(key); }; this.put = function (key, value) { var position = hashCode(key); console.log(position + ' - ' + key); table[position] = value; }; this.get = function (key) { return table[hashCode(key)]; }; this.remove = function(key){ table[hashCode(key)] = undefined; }; this.print = function () { for (var i = 0; i < table.length; ++i) { if (table[i] !== undefined) { console.log(i + ": " + table[i]); } } }; } var hash = new HashTable(); hash.put('A', 'a@email.com'); hash.put('B', 'b@email.com'); hash.put('C', 'c@email.com'); console.log('**** Printing Hash **** '); hash.print(); console.log('**** Get **** '); console.log(hash.get('A')); console.log(hash.get('L')); console.log('**** Remove **** '); hash.remove('A'); console.log(hash.get('A')); hash.print();