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<html><body><p>Use the HTML DOM to assign an "onsubmit" event to a form element.</p><p>When you submit the form, a function is triggered which alerts some text.</p><form id="myForm" action="/action_page.php"> Enter name: <input type="text" name="fname"> <input type="submit" value="Submit"></form><script>document.getElementById("myForm").onsubmit = function() {myFunction()};function myFunction() { alert("The form was submitted");}</script></body></html>