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<!DOCTYPE html> <html> <body> <h1>The Console Object</h1> <h2>The warn() Method</h2> <p>How to use an object as the warning message.</p> <p>Remember to open the console (Press F12) before you click "Run".</p> <script> const myObj = {firsname:"John", lastname:"Doe"}; console.warn(myObj); </script> </body> </html>
