ary.count â int
ary.count(obj) â int
ary.count { |item| block } â int
ary.count(obj) â int
ary.count { |item| block } â int
Instance Public methods
Returns the number of elements.
If an argument is given, counts the number of elements which equal
obj using ===.
If a block is given, counts the number of elements for which the block returns a true value.
ary = [1, 2, 4, 2]
ary.count #=> 4
ary.count(2) #=> 2
ary.count { |x| x%2 == 0 } #=> 3
Please login to continue.