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CODE EXAMPLE FOR JAVASCRIPT

reduce method

function reduce(array, combine, start) {
  let current = start;
  for (let element of array) {
    current = combine(current, element);
  }
  return current;
}

console.log(reduce([1, 2, 3, 4], (a, b) => a + b, 0));
// → 10
Source by eloquentjavascript.net #
 
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2+8 =