_.pullAt(array, [indexes]) source npm package Removes elements from array corresponding to indexes and returns an array of removed elements.Note: Unlike _.at, this method mutates array. Since 3.0.0 Arguments array (Array): The array to modify. [indexes] (...(number|number[])): The indexes of elements to remove. Returns (Array): Returns the new array of removed elements. Example var array = ['a', 'b', 'c', 'd']; var pulled = _.pullAt(array, [1, 3]);   console.log(array); // => ['a', '

_.isSymbol(value) source npm package Checks if value is classified as a Symbol primitive or object. Since 4.0.0 Arguments value (*): The value to check. Returns (boolean): Returns true if value is a symbol, else false. Example _.isSymbol(Symbol.iterator); // => true   _.isSymbol('abc'); // => false

_.mixin([object=lodash], source, [options={}]) source npm package Adds all own enumerable string keyed function properties of a source object to the destination object. If object is a function, then methods are added to its prototype as well.Note: Use _.runInContext to create a pristine lodash function to avoid conflicts caused by modifying the original. Since 0.1.0 Arguments [object=lodash] (Function|Object): The destination object. source (Object): The object of functions to add. [option

_.identity(value) source npm package This method returns the first argument it receives. Since 0.1.0 Arguments value (*): Any value. Returns (*): Returns value. Example var object = { 'a': 1 };   console.log(_.identity(object) === object); // => true

_.method(path, [args]) source npm package Creates a function that invokes the method at path of a given object. Any additional arguments are provided to the invoked method. Since 3.7.0 Arguments path (Array|string): The path of the method to invoke. [args] (...*): The arguments to invoke the method with. Returns (Function): Returns the new invoker function. Example var objects = [   { 'a': { 'b': _.constant(2) } },   { 'a': { 'b': _.constant(1) } } ];   _.map(objects, _.method('a.b')); /