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<!DOCTYPE html> <html> <body> <h2>JavaScript Arrays</h2> <p>Multiply every element in the array with 10:</p> <p id="demo"></p> <script> const numbers = [65, 44, 12, 4]; const newArr = numbers.map(myFunction); document.getElementById("demo").innerHTML = newArr; function myFunction(num) { return num * 10; } </script> </body> </html>
