domtastic/src/type.js

Small, fast, and modular DOM and event library for modern browsers.

/**
 * @module Type
 */

/*
 * Determine if the argument passed is a Javascript function object.
 *
 * @param {Object} [obj] Object to test whether or not it is a function.
 * @return {boolean}
 * @example
 *     $.isFunction(function(){}); // true
 * @example
 *     $.isFunction({}); // false
 */

export const isFunction = obj => typeof obj === 'function';

/*
 * Determine whether the argument is an array.
 *
 * @param {Object} [obj] Object to test whether or not it is an array.
 * @return {boolean}
 * @example
 *     $.isArray([]); // true
 * @example
 *     $.isArray({}); // false
 */

export const isArray = Array.isArray;