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.count()

A function that counts the number of elements in a given array that satisfy the condition of a specified function.

Syntax​

#fs.scripts.lib().count(array, func);

Parameters​

array​

The array of elements to be evaluated.

func​

The function to be executed. This function should return a boolean.

Return​

Returns a number.

Example​

function(context, args) {
  const l = #fs.scripts.lib();
  const my_array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];

  function is_even(index, value) {
    return value % 2 === 0;
  };

  return l.count(my_array, is_even);
}