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).


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<!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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