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<!DOCTYPE html> <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>
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