_.map()
_.map(collection, [iteratee=_.identity])
Creates an array of values by running each element in collection thru iteratee. The iteratee is invoked with three arguments: (value, index|key, collection).
Many lodash methods are guarded to work as iteratees for methods like _.every, _.filter, _.map, _.mapValues, _.reject, and _.some.
The guarded methods are: ary, chunk, curry, curryRight, drop, dropRight, every, fill, invert, parseInt, random, range, rangeRight, repeat, sampleSize, slice, some, sortBy, split, take, takeRight, template, trim, trimEnd, trimStart, and words
Arguments
collection (Array|Object): The collection to iterate over.
[iteratee=_.identity] (Function): The function invoked per iteration.
Returns
(Object): Returns the new mapped array.