examples/dist/common.js
function isPresto() {
  var opera = window.opera;
  return typeof opera === 'object' && typeof opera.version === 'function' && parseInt(opera.version(), 10) <= 12;
}
function isPresto() {
  var opera = window.opera;
  return typeof opera === 'object' && typeof opera.version === 'function' && parseInt(opera.version(), 10) <= 12;
}
function isPresto ( ) { var opera = window . opera ; return typeof opera === 'object' && typeof opera . version === 'function' && parseInt ( opera . version ( ) , 10 ) <= 12 ; }
Opera <= 12 includes TextEvent in window, but does not fire
text input events. Rely on keypress instead.
Opera < = 12 includes TextEvent in window but does not fire text input events . Rely on keypress instead .