locutus/php/array/array_key_exists.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

"use strict";

module.exports = function array_key_exists(key, search) {
  // eslint-disable-line camelcase
  //  discuss at: https://locutus.io/php/array_key_exists/
  // original by: Kevin van Zonneveld (https://kvz.io)
  // improved by: Felix Geisendoerfer (https://www.debuggable.com/felix)
  //   example 1: array_key_exists('kevin', {'kevin': 'van Zonneveld'})
  //   returns 1: true

  if (!search || search.constructor !== Array && search.constructor !== Object) {
    return false;
  }

  return key in search;
};
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