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<!DOCTYPE html> <html> <body> <p>This "home made" function, when used on an array, returns true.</p> <p id="demo"></p> <script> var fruits = ["Banana", "Orange", "Apple", "Mango"]; document.getElementById("demo").innerHTML = isArray(fruits); function isArray(myArray) { return myArray.constructor.toString().indexOf("Array") > -1; } </script> </body> </html>
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