Thursday, 20 February 2014

Working Example JavaScript KeyCode

http://www.cambiaresearch.com/articles/15/javascript-char-codes-key-codes
copy and paste into notepad and save as .html file and run it through IE and FireFox browsers.
<html >
<head><SCRIPT language="javascript">

 function displayKeyCode(evt)
 {
    var textBox = getObject('txtChar');
     var charCode = (evt.which) ? evt.which : event.keyCode

     textBox.value = String.fromCharCode(charCode);
     if (charCode == 8) textBox.value = "backspace-8"; //  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-46"; // 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 = getObject('spnCode');
    lblCharCode.innerHTML = 'KeyCode:  ' + charCode;

    return false;

 }
 function getObject(obj)
  {
      var theObj;
      if (document.all) {
          if (typeof obj=='string') {
              return document.all(obj);
          } else {
              return obj.style;
          }
      }
      if (document.getElementById) {
          if (typeof obj=='string') {
              return document.getElementById(obj);
          } else {
              return obj.style;
          }
      }
      return null;
  }
 //-->
</SCRIPT>
Press a key in the text box below to see the corresponding Javascript key code. Or scroll down to see the full list.
<br><br>
Try it!
<INPUT ONKEYPRESS="javascript:return false;" ID="txtChar" ONKEYDOWN="javascript:return displayKeyCode(event)" TYPE="text"

NAME="txtChar">&nbsp;&nbsp;&nbsp;<SPAN ID="spnCode" NAME="spnCode"></SPAN>
</div>

No comments:

Post a Comment