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<html><body><h1>JavaScript Arrays</h1><h2>The copyWithin() Method</h2><p>copyWithin() copies array elements to another position in an array, overwriting existing values:</p><p id="demo"></p><script>const fruits = ["Banana", "Orange", "Apple", "Mango"];document.getElementById("demo").innerHTML = fruits.copyWithin(2,0);</script><p>The copyWithin() method is not supported in Internet Explorer.</p></body></html>