src code

instance method Enumerable#detect

Enumerable#detect(iterator[, context]) → firstElement | undefined
  • iterator (Function) – The iterator function to apply to each element in the enumeration.
  • context (Object) – An optional object to use as this within calls to the iterator.

Returns the first element for which the iterator returns a truthy value. Aliased by the Enumerable#find method.

Example
[1, 7, -2, -4, 5].detect(function(n) { return n < 0; });
// -> -2

Aliased as: Enumerable#find