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<html><head><script>function confirmInput() { fname = document.forms[0].fname.value; alert("Hello " + fname + "! You will now be redirected to www.w3Schools.com");}</script></head><body><h1>JavaScript HTML Events</h1><h2>The onsubmit Attribute</h2><form onsubmit="confirmInput()" action="https://www.w3schools.com/"> Enter your name: <input id="fname" type="text" size="20"> <input type="submit"></form></body></html>