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<!DOCTYPE html>
<html>
<body>
​
<p>For each element in the array: multiply the value with 10 and update the element value:</p>
​
<p id="demo"></p>
​
<script>
var numbers = [65, 44, 12, 4];
numbers.forEach(myFunction)
​
function myFunction(item, index, arr) {
  arr[index] = item * 10;
}
​
document.getElementById("demo").innerHTML = numbers;
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_foreach3 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:01:26 GMT -->
</html>
​
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