Returns an array containing the keys in the object. If the argument is an array of objects, then the array returned contains a de-duplicated list of all the keys in all of the objects.
Returns the value associated with
object. If the first argument is an array of objects, then all of the objects in the array are searched, and the values associated with all occurrences of
key are returned.
object containing key/value pairs into an array of objects, each of which has a single key/value pair from the input
object. If the parameter is an array of objects, then the resultant array contains an object for every key/value pair in every object in the supplied array.
See definition under ‘Higher-order functions’
Returns an array containing the values return by the
function when applied to each key/value pair in the