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<!DOCTYPE html> <html> <body> <h1>Demo: confirm() </h1> <button onclick="save()">Save Data</button> <p id="msg"></p> <script> function save(){ var userPreference; if (confirm("Do you want to save changes?") == true) { userPreference = "Data saved successfully!"; } else { userPreference = "Save Canceled!"; } document.getElementById("msg").innerHTML = userPreference; } </script> </body> </html>
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