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<html><body><h1>The Window Object</h1><h2>The prompt() Method</h2><p>Click the button to demonstrate the prompt box.</p><button onclick="myFunction()">Try it</button><p id="demo"></p><script>function myFunction() { let person = prompt("Please enter your name", "Harry Potter"); if (person != null) { document.getElementById("demo").innerHTML = "Hello " + person + "! How are you today?"; }}</script></body></html>