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<!DOCTYPE html> <html> <body> <h1>JavaScript Arrays</h1> <h2>The concat() Method</h2> <p>The concat() method concatenates (joins) two or more arrays:</p> <p id="demo"></p> <script> const arr1 = ["Cecilie", "Lone"]; const arr2 = ["Emil", "Tobias", "Linus"]; const children = arr1.concat(arr2); document.getElementById("demo").innerHTML = children; </script> </body> </html>
