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<html><body><h1>Keyboard Events</h1><h2>The charCode Property</h2><p>Press a key on the keyboard in the input field to get the Unicode character code of the pressed key.</p><p>The charCode property is deprecated. Use the key property instead.</p><input type="text" size="40" onkeypress="myFunction(event)"><p id="demo"></p><script>function myFunction(event) { let value = event.charCode || event.keyCode; document.getElementById("demo").innerHTML = "The Unicode value is: " + value;}</script></body></html>