javsacript reduce code example

Example 1: javascript reduce

var array = [36, 25, 6, 15];

array.reduce(function(accumulator, currentValue) {
  return accumulator + currentValue;
}, 0); // 36 + 25 + 6 + 15 = 82

Example 2: reduce

var sum = _.reduce([1, 2, 3], function(memo, num){ return memo + num; }, 0);
=> 6