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<!DOCTYPE html> <html lang="en-US"> <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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