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<html><body><h1>JavaScript Objects</h1><h2>The Object.freeze() Method</h2><p id="demo"></p><script>"use strict"// Create Objectconst person = { firstName: "John", lastName: "Doe", age: 50, eyeColor: "blue"};// Freeze ObjectObject.freeze(person)// Test Errorlet text;try { person.age = 51; text = Object.values(person);}catch (err) { text = err;}document.getElementById("demo").innerHTML = text;</script></body></html>