Count number of values in array between two input values

Question

As the title suggests, I want to create a function the counts the number of values in my array between two values that have been entered by the user. So for example, if the arra

Answer 1

You may do as follows;

var arr = [1,4,6,7,8,6],
  input = [5,7],
 result = arr.reduce((r,n) => n >= input[0] && n <= input[1] ? ++r : r, 0);
console.log(result);