Dynamic HTML Construction Kit/Dynamic HTML Construction Kit.iso/source_code/dhtmlunl/dhtml.exe/CD Content/Chap16/dun16_8.txt

Text File | 1997-12-18 | 197 b | 9 lines

function inputNumbers()
{
  // Keycode of character '0' is 48, of character '9' is 57.
  if (event.keyCode >= 48 && event.keyCode <= 57)
    return true;
  else
    return false;
}