http://www.freecodecamp.com/patrickcurl 's solution for Bonfire: Sum All Odd Fibonacci Numbers

bonfire-sum-all-odd-fibonacci-numbers.js

// Bonfire: Sum All Odd Fibonacci Numbers
// Author: @patrickcurl
// Challenge: http://www.freecodecamp.com/challenges/bonfire-sum-all-odd-fibonacci-numbers
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function sumFibs(num) {

   var a = 0, b = 1, c = 1, sum = 0;
   var arr = [0];

   while (c <= num) {
     arr.push(c);
     c = a + b;
     a = b; 
     b = c;       
     }

   var odds = arr.filter(function(value, index, array){
       return value%2 == 1;
   });

   var total = odds.reduce(function(a,b){
       return(a+b);
   });

   return total;

   }

sumFibs(4);