JavaScript Program to find the Sum of Array
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Find Sum of Array
In the following example, we will sum up all the elements (values) in an array (arr).
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<h1>JS Sum of Array</h1>
<script>
var i;
var sum = 0;
var arr = [1, 2, 3, 4, 5];
for(i=0; i<5; i++)
sum += arr[i];
document.write("Sum of array is: " +sum);
</script>
</body>
</html>
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