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How to calculate the sum of all the even numbers in one-dimensional int array in JavaScript

1 Answer

0 votes
<!DOCTYPE html>
<html>
<head></head>
<body>

<script>
var arr = [1, 2, 3, 4, 5, 6, 7];
var sum = 0
 
for (var i = 0; i < arr.length; i++) 
    if (arr[i] % 2 == 0)
        sum += arr[i];

document.writeln("sum = " + sum + "<br />"); 
</script>

</body>
</html>

<!--
run: 

sum = 12

-->

 



answered Feb 8, 2016 by avibootz
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