Keyboard-Input-Helper

by 1UnitedPower

HTML

<dl>
    <dt><label for="keycode">event.keyCode:</label></dt>
    <dd><input id="keycode" readonly="readonly" /></dd>
    
    <dt><label for="which">event.which:</label></dt>
    <dd><input id="which" readonly="readonly" /></dd>
</dl>

JavaScript

document.addEventListener("keypress", function(event){
    event = event || window.event;
    event.preventDefault();
    document.getElementById("keycode").value = event.keyCode;
    document.getElementById("which").value = event.which;
});