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<html><head><script>function color(color) { document.forms[0].myInput.style.background = color;}</script></head><body><h1>JavaScript HTML Events</h1><h2>The onkeydown and onkeyup Attributes</h2><form>Write a message:<br><input type="text" onkeydown="color('yellow')"onkeyup="color('white')"name="myInput"></form></body></html>