type.js

export function getType(target) {   return Object.prototype.toString.call(target).slice(8, -1) }
export function isObject(target) {   return getType(target) === 'Object' } export function isArray(target) {   return getType(target) === 'Array' } export function isString(target) {   return getType(target) === 'String' } export function isFunction(target) {   return getType(target) === 'Function' }