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<!DOCTYPE html> <html> <head> <title>Instantiates an empty array to clear the array in Javascript</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <div>arr2:</div> <div id="result"></div> <script> var arr1 = ['a','b','c','d','e','f']; var arr2 = arr1; // Reference arr1 by another variable arr1 = []; console.log(arr2); // Output ['a','b','c','d','e','f'] document.getElementById("result").innerHTML = arr2; </script> </body> </html>