xxxxxxxxxx<html lang="en"><head> <meta charset="utf-8"> <title>JavaScript Dynamically Access Object Properties Using Variables</title></head><body> <script> let person = { name: "Peter", age: 28, gender: "Male" }; let key = prompt("Enter any property name to get its value"); alert(person[key]); // Outputs: Peter (if enter "name") </script></body></html>