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<!DOCTYPE html> <html> <body> <h1>JavaScript Operators</h1> <h2>The typeof Operator</h2> <p>Objects can be emptied by setting the value to <b>undefined</b>.</p> <p id="demo"></p> <script> // Create an Object let person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"}; person = undefined; document.getElementById("demo").innerHTML = "The typeof person is " + typeof person; </script> </body> </html>
