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<!DOCTYPE html> <html> <body> <h1>JavaScript Objects</h1> <h2>The Object.isFrozen() Method</h2> <p id="demo"></p> <script> // Create Object const person = {firstName:"John", lastName:"Doe"}; // Freeze Object Object.freeze(person); let answer = Object.isFrozen(person); document.getElementById("demo").innerHTML = answer; </script> </body> </html>