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<!DOCTYPE html>
<html>
<body>
​
<p>Click the button to get the sum of the numbers in the array.</p>
<button onclick="myFunction()">Try it</button>
​
<p>Sum of numbers in array: <span id="demo"></span></p>
​
<script>
var numbers = [65, 44, 12, 4];
​
function getSum(total, num) {
  return total + num;
}
function myFunction(item) {
  document.getElementById("demo").innerHTML = numbers.reduce(getSum);
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_reduce by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 14:01:58 GMT -->
</html>
​
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