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<!DOCTYPE html> <html> <body> <p>Write something in the text field and press the Reset button.</p> <form onreset="myFunction()"> <input type="text" id="myInput"> <input type="reset"> </form> <script> function myFunction() { var x = document.getElementById("myInput"); alert("Before reset, the text was: " + x.value); } </script> </body> </html>