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js array reduce

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var numbers = [15.5, 2.3, 1.1, 4.7];
function getSum(total, num) {
  return total + Math.round(num);
}
function myFunction(item) {
  var a  = numbers.reduce(getSum , 0);
console.log(a)
}
myFunction();
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var numbers = [15.5, 2.3, 1.1, 4.7];
function getSum(total, num) {
  return total + Math.round(num);
}
function myFunction(item) {
  var a  = numbers.reduce(getSum);
console.log(a)
}
myFunction();