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Key Press

simulate Key Press

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/451574/1095111/Key%20Press.js 

!(function (moduleName, definition) {
  // Whether to expose Keyvent as an AMD module or to the global object.
  if (typeof define === 'function' && typeof define.amd === 'object') define(definition);
  else this[moduleName] = definition();

})('keyvent', function definition () {

  function contextOn (element) {
    var exports = {};
    exports.on = contextOn;

    exports.down = function (keys) {
      dispatch(element, 'keydown', keys);
    };

    exports.up = function (keys) {
      dispatch(element, 'keyup', keys);
    };

    return exports;
  }

  function dispatch (element, type, keys) {
    var event = document.createEvent('HTMLEvents');
    event.initEvent(type, true, true);
    keys = normalizeKeys(keys);
    for (var i = 0; i < keys.length; i++) {
      var keyCode = toKeyCode(keys[i]);
      event.which = event.keyCode = keyCode;
      if (MODIFIERS[keyCode]) event[MODIFIERS[keyCode] + 'Key'] = true;
      element.dispatchEvent(event);
    }
  }

  function normalizeKeys (keys) {
    if (!keys) return [0];
    if (isString(keys)) return keys.split(' ');
    return [keys];
  }

  function isString (object) { return typeof object === 'string'; }

  // Borrowed from https://github.com/madrobby/keymaster
  var ALIASES = {
    '⇧': 16, 'shift': 16,
    '⌃': 17, 'ctrl': 17, 'control': 17,
    '⌥': 18, 'alt': 18, 'option': 18,
    '⌘': 91, 'command': 91,
    'backspace': 8, 'tab': 9,
    'clear': 12, 'enter': 13,
    'return': 13, 'esc': 27,
    'escape': 27, 'space': 32,
    'left': 37, 'up': 38,
    'right': 39, 'down': 40,
    'del': 46, 'delete': 46,
    'home': 36, 'end': 35,
    'pageup': 33, 'pagedown': 34,
    ',': 188, '.': 190,
    '/': 191, '`': 192,
    '-': 189, '=': 187,
    ';': 186, '\'': 222,
    '[': 219, ']': 221,
    '\\': 220
  };
  for (key = 1; key < 20; key++) ALIASES['f' + key] = ALIASES['F' + key] = 111 + key;

  var MODIFIERS = {
    '16': 'shift',
    '17': 'ctrl',
    '18': 'alt',
    '91': 'meta'
  };

  function toKeyCode(key) {
    if (isString(key)) return ALIASES[key] || key.toUpperCase().charCodeAt(0);
    return key;
  }

  return contextOn(document);
});