hasKey

Class

Method of Hash

Library

hash.js

Syntax

exampleHash.hasKey(key);

Parameters

key A string indicating the key to look for in the associative array.

Description

Returns Boolean true if the key exists in the Hash, false if it does not.

Examples

var badSciFi = new Hash();
var actorExists = false;

badSciFi.setItem("Connery", "Zardoz");
badSciFi.setItem("York", "Logan's Run");
badSciFi.setItem("Douglas", "Saturn 3");

actorExists = badSciFi.hasKey('York'); // actorExists is true
actorExists = badSciFi.hasKey('Pertwee'); // actorExists is false