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@nashingofteeth
Last active December 20, 2020 09:17
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Javascript keycode finder
<input onkeypress="javascript:return false;" id="txtChar" onkeydown="javascript:return displayKeyCode(event)" type="text" name="txtChar">
<span id="spnCode" name="spnCode"></span>
<script>
<!--
function displayKeyCode(evt)
{
var textBox = document.getElementById('txtChar');
var charCode = (evt.which) ? evt.which : event.keyCode
textBox.value = String.fromCharCode(charCode);
if (charCode == 8) textBox.value = "backspace"; // backspace
if (charCode == 9) textBox.value = "tab"; // tab
if (charCode == 13) textBox.value = "enter"; // enter
if (charCode == 16) textBox.value = "shift"; // shift
if (charCode == 17) textBox.value = "ctrl"; // ctrl
if (charCode == 18) textBox.value = "alt"; // alt
if (charCode == 19) textBox.value = "pause/break"; // pause/break
if (charCode == 20) textBox.value = "caps lock"; // caps lock
if (charCode == 27) textBox.value = "escape"; // escape
if (charCode == 33) textBox.value = "page up"; // page up, to avoid displaying alternate character and confusing people
if (charCode == 34) textBox.value = "page down"; // page down
if (charCode == 35) textBox.value = "end"; // end
if (charCode == 36) textBox.value = "home"; // home
if (charCode == 37) textBox.value = "left arrow"; // left arrow
if (charCode == 38) textBox.value = "up arrow"; // up arrow
if (charCode == 39) textBox.value = "right arrow"; // right arrow
if (charCode == 40) textBox.value = "down arrow"; // down arrow
if (charCode == 45) textBox.value = "insert"; // insert
if (charCode == 46) textBox.value = "delete"; // delete
if (charCode == 91) textBox.value = "left window"; // left window
if (charCode == 92) textBox.value = "right window"; // right window
if (charCode == 93) textBox.value = "select key"; // select key
if (charCode == 96) textBox.value = "numpad 0"; // numpad 0
if (charCode == 97) textBox.value = "numpad 1"; // numpad 1
if (charCode == 98) textBox.value = "numpad 2"; // numpad 2
if (charCode == 99) textBox.value = "numpad 3"; // numpad 3
if (charCode == 100) textBox.value = "numpad 4"; // numpad 4
if (charCode == 101) textBox.value = "numpad 5"; // numpad 5
if (charCode == 102) textBox.value = "numpad 6"; // numpad 6
if (charCode == 103) textBox.value = "numpad 7"; // numpad 7
if (charCode == 104) textBox.value = "numpad 8"; // numpad 8
if (charCode == 105) textBox.value = "numpad 9"; // numpad 9
if (charCode == 106) textBox.value = "multiply"; // multiply
if (charCode == 107) textBox.value = "add"; // add
if (charCode == 109) textBox.value = "subtract"; // subtract
if (charCode == 110) textBox.value = "decimal point"; // decimal point
if (charCode == 111) textBox.value = "divide"; // divide
if (charCode == 112) textBox.value = "F1"; // F1
if (charCode == 113) textBox.value = "F2"; // F2
if (charCode == 114) textBox.value = "F3"; // F3
if (charCode == 115) textBox.value = "F4"; // F4
if (charCode == 116) textBox.value = "F5"; // F5
if (charCode == 117) textBox.value = "F6"; // F6
if (charCode == 118) textBox.value = "F7"; // F7
if (charCode == 119) textBox.value = "F8"; // F8
if (charCode == 120) textBox.value = "F9"; // F9
if (charCode == 121) textBox.value = "F10"; // F10
if (charCode == 122) textBox.value = "F11"; // F11
if (charCode == 123) textBox.value = "F12"; // F12
if (charCode == 144) textBox.value = "num lock"; // num lock
if (charCode == 145) textBox.value = "scroll lock"; // scroll lock
if (charCode == 186) textBox.value = ";"; // semi-colon
if (charCode == 187) textBox.value = "="; // equal-sign
if (charCode == 188) textBox.value = ","; // comma
if (charCode == 189) textBox.value = "-"; // dash
if (charCode == 190) textBox.value = "."; // period
if (charCode == 191) textBox.value = "/"; // forward slash
if (charCode == 192) textBox.value = "`"; // grave accent
if (charCode == 219) textBox.value = "["; // open bracket
if (charCode == 220) textBox.value = "\\"; // back slash
if (charCode == 221) textBox.value = "]"; // close bracket
if (charCode == 222) textBox.value = "'"; // single quote
var lblCharCode = document.getElementById('spnCode');
lblCharCode.innerHTML = 'KeyCode: ' + charCode;
return false;
}
//-->
</script>
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