Adam Khoury

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Capture Keyboard Input Tutorial HTML Application

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Adam Khoury
In this JavaScript and HTML programming lesson you can learn how to build a basic web application that captures keyboard input and allows you to access the properties of keyboard events. This is especially handy for game programming and interactive applications, but the ways you can apply it are completely up to you and your imagination. In the very next video lesson we will expand upon this to show how to add condition logic in order to perform specific tasks in a web application according to specific keys being pressed by the user. <!DOCTYPE html> <script> document.onkeydown = function(event) { var key_press = String.fromCharCode(event.keyCode); var key_code = event.keyCode; document.getElementById('kp').innerHTML = key_press; document.getElementById('kc').innerHTML = key_code; var status = document.getElementById('status'); status.innerHTML = "DOWN Event Fired For : "+key_press; } document.onkeyup = function(event){ var key_press = String.fromCharCode(event.keyCode); var status = document.getElementById('status'); status.innerHTML = "UP Event Fired For : "+key_press; } </script> <h2>Javascript Capture Keyboard Input Example</h2> <h3>onkeydown - onkeyup</h3> Key Pressed : <span id="kp"></span> <br /> Key Code : <span id="kc"></span> <p id="status">Keyboard Event Status</p>