isRegExp_.isRegExp(object) Returns true if object is a RegExp.

isEqual_.isEqual(object, other) Performs an optimized deep comparison between the two objects, to determine if they should be considered

lastIndexOf_.lastIndexOf(array, value, [fromIndex]) Returns the index of the last occurrence of value in the array

clone_.clone(object) Create a shallow-copied clone of the provided plain object. Any nested objects or arrays will

debounce_.debounce(function, wait, [immediate]) Creates and returns a new debounced version of the passed function which will postpone

reject_.reject(list, predicate, [context]) Returns the values in list without the elements that the truth test (predicate)

uniqueId_.uniqueId([prefix]) Generate a globally-unique id for client-side models or DOM elements that need one. If prefix

filter_.filter(list, predicate, [context]) Alias: select Looks through each value in the list

isMatch_.isMatch(object, properties) Tells you if the keys and values in properties are contained in object.

isDate_.isDate(object) Returns true if object is a Date.