/** * Performs a * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * comparison between two values to determine if they are equivalent. * * @since 4.0.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * const object = { 'a': 1 } * const other = { 'a': 1 } * * eq(object, object) * // => true * * eq(object, other) * // => false * * eq('a', 'a') * // => true * * eq('a', Object('a')) * // => false * * eq(NaN, NaN) * // => true */ function eq(value, other) { return value === other || (value !== value && other !== other); } export default eq;