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<!DOCTYPE html> <html> <head> <title>Let's Coding Example</title> </head> <body> <div id="html-div"> </div> <script> let person = { firstName: "John", sayHello: () => { console.log("Hello, " + this.firstName + "!"); // 'this' is undefined } }; person.sayHello(); // Outputs: Hello, undefined! </script> </body> </html>
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