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Key Press

simulate Key Press

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/451574/1095111/Key%20Press.js 

  1. !(function (moduleName, definition) {
  2.   // Whether to expose Keyvent as an AMD module or to the global object.
  3.   if (typeof define === 'function' && typeof define.amd === 'object') define(definition);
  4.   else this[moduleName] = definition();
  5.  
  6. })('keyvent', function definition () {
  7.  
  8.   function contextOn (element) {
  9.     var exports = {};
  10.     exports.on = contextOn;
  11.  
  12.     exports.down = function (keys) {
  13.       dispatch(element, 'keydown', keys);
  14.     };
  15.  
  16.     exports.up = function (keys) {
  17.       dispatch(element, 'keyup', keys);
  18.     };
  19.  
  20.     return exports;
  21.   }
  22.  
  23.   function dispatch (element, type, keys) {
  24.     var event = document.createEvent('HTMLEvents');
  25.     event.initEvent(type, true, true);
  26.     keys = normalizeKeys(keys);
  27.     for (var i = 0; i < keys.length; i++) {
  28.       var keyCode = toKeyCode(keys[i]);
  29.       event.which = event.keyCode = keyCode;
  30.       if (MODIFIERS[keyCode]) event[MODIFIERS[keyCode] + 'Key'] = true;
  31.       element.dispatchEvent(event);
  32.     }
  33.   }
  34.  
  35.   function normalizeKeys (keys) {
  36.     if (!keys) return [0];
  37.     if (isString(keys)) return keys.split(' ');
  38.     return [keys];
  39.   }
  40.  
  41.   function isString (object) { return typeof object === 'string'; }
  42.  
  43.   // Borrowed from https://github.com/madrobby/keymaster
  44.   var ALIASES = {
  45.     '⇧': 16, 'shift': 16,
  46.     '⌃': 17, 'ctrl': 17, 'control': 17,
  47.     '⌥': 18, 'alt': 18, 'option': 18,
  48.     '⌘': 91, 'command': 91,
  49.     'backspace': 8, 'tab': 9,
  50.     'clear': 12, 'enter': 13,
  51.     'return': 13, 'esc': 27,
  52.     'escape': 27, 'space': 32,
  53.     'left': 37, 'up': 38,
  54.     'right': 39, 'down': 40,
  55.     'del': 46, 'delete': 46,
  56.     'home': 36, 'end': 35,
  57.     'pageup': 33, 'pagedown': 34,
  58.     ',': 188, '.': 190,
  59.     '/': 191, '`': 192,
  60.     '-': 189, '=': 187,
  61.     ';': 186, '\'': 222,
  62.     '[': 219, ']': 221,
  63.     '\\': 220
  64.   };
  65.   for (key = 1; key < 20; key++) ALIASES['f' + key] = ALIASES['F' + key] = 111 + key;
  66.  
  67.   var MODIFIERS = {
  68.     '16': 'shift',
  69.     '17': 'ctrl',
  70.     '18': 'alt',
  71.     '91': 'meta'
  72.   };
  73.  
  74.   function toKeyCode(key) {
  75.     if (isString(key)) return ALIASES[key] || key.toUpperCase().charCodeAt(0);
  76.     return key;
  77.   }
  78.  
  79.   return contextOn(document);
  80. });

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