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