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<!DOCTYPE html> <html> <body> <h1>JavaScript Arrays</h1> <h2>The flat() Method</h2> <p id="demo"></p> <script> const myArr = [1, 2, [3, [4, 5, 6], 7], 8]; const newArr = myArr.flat(2); document.getElementById("demo").innerHTML = newArr; </script> </body> </html>
