Function map

lib/punycode.js:65–72

* A generic `Array#map` utility function. * @private * @param {Array} array The array to iterate over. * @param {Function} callback The function that gets called for every array * item. * @returns {Array} A new array of values returned by the callback function.

(array, callback)

 * @returns {Array} A new array of values returned by the callback function.
 */
function map(array, callback) {
	const result = [];
	let length = array.length;
	while (length--) {
		result[length] = callback(array[length]);
	}
	return result;
}

/**
 * A simple `Array#map`-like wrapper to work with domain name strings or email