_.sortedIndexOf(array, value) source npm package This method is like _.indexOf except that it performs a binary search on a sorted array. Since 4.0.0 Arguments array (Array): The array to inspect. value (*): The value to search for. Returns (number): Returns the index of the matched value, else -1. Example _.sortedIndexOf([4, 5, 5, 5, 6], 5); // => 1

_.last(array) source npm package Gets the last element of array. Since 0.1.0 Arguments array (Array): The array to query. Returns (*): Returns the last element of array. Example _.last([1, 2, 3]); // => 3

_.uniqueId([prefix='']) source npm package Generates a unique ID. If prefix is given, the ID is appended to it. Since 0.1.0 Arguments [prefix=''] (string): The value to prefix the ID with. Returns (string): Returns the unique ID. Example _.uniqueId('contact_'); // => 'contact_104'   _.uniqueId(); // => '105'

_.isDate(value) source npm package Checks if value is classified as a Date object. Since 0.1.0 Arguments value (*): The value to check. Returns (boolean): Returns true if value is a date object, else false. Example _.isDate(new Date); // => true   _.isDate('Mon April 23 2012'); // => false

_.now() source npm package Gets the timestamp of the number of milliseconds that have elapsed since the Unix epoch (1 January 1970 00:00:00 UTC). Since 2.4.0 Returns (number): Returns the timestamp. Example _.defer(function(stamp) {   console.log(_.now() - stamp); }, _.now()); // => Logs the number of milliseconds it took for the deferred invocation.

_.startsWith([string=''], [target], [position=0]) source npm package Checks if string starts with the given target string. Since 3.0.0 Arguments [string=''] (string): The string to inspect. [target] (string): The string to search for. [position=0] (number): The position to search from. Returns (boolean): Returns true if string starts with target, else false. Example _.startsWith('abc', 'a'); // => true   _.startsWith('abc', 'b'); // => false   _.startsWith('abc', 'b', 1); // => 

_.pullAll(array, values) source npm package This method is like _.pull except that it accepts an array of values to remove.Note: Unlike _.difference, this method mutates array. Since 4.0.0 Arguments array (Array): The array to modify. values (Array): The values to remove. Returns (Array): Returns array. Example var array = ['a', 'b', 'c', 'a', 'b', 'c'];   _.pullAll(array, ['a', 'c']); console.log(array); // => ['b', 'b']

_.isBoolean(value) source npm package Checks if value is classified as a boolean primitive or object. Since 0.1.0 Arguments value (*): The value to check. Returns (boolean): Returns true if value is a boolean, else false. Example _.isBoolean(false); // => true   _.isBoolean(null); // => false

_.partition(collection, [predicate=_.identity]) source npm package Creates an array of elements split into two groups, the first of which contains elements predicate returns truthy for, the second of which contains elements predicate returns falsey for. The predicate is invoked with one argument: (value). Since 3.0.0 Arguments collection (Array|Object): The collection to iterate over. [predicate=_.identity] (Function): The function invoked per iteration. Returns (Array): Returns the array

_.words([string=''], [pattern]) source npm package Splits string into an array of its words. Since 3.0.0 Arguments [string=''] (string): The string to inspect. [pattern] (RegExp|string): The pattern to match words. Returns (Array): Returns the words of string. Example _.words('fred, barney, & pebbles'); // => ['fred', 'barney', 'pebbles']   _.words('fred, barney, & pebbles', /[^, ]+/g); // => ['fred', 'barney', '&', 'pebbles']