Run ❯
×
Change Orientation
Save Code
Change Theme, Dark/Light
Go to Spaces
<!DOCTYPE html> <html> <body> <h1>JavaScript Objects</h1> <h2>The undefined Data Type</h2> <p>Objects can be emptied by setting the value to <b>undefined</b>.</p> <p id="demo"></p> <script> let person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"}; person = undefined; document.getElementById("demo").innerHTML = person; </script> </body> </html>
