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<!DOCTYPE html> <html> <body> <h1>JavaScript Arrays</h1> <h2>The reduce() Method</h2> <p>Find the sum of all numbers in an array:</p> <p id="demo"></p> <script> const numbers = [45, 4, 9, 16, 25]; let sum = numbers.reduce(myFunction); document.getElementById("demo").innerHTML = "The sum is " + sum; function myFunction(total, value, index, array) { return total + value; } </script> </body> <!-- /js/tryit.asp?filename=tryjs_array_reduce Thu, 06 Feb 2025 18:15:26 GMT --> </html>
