addEvent.js: Node#addEventListener, attachEvent のラッパー関数。

addEvent.js

/**
 * addEvent.js
 *
 * @version 1.0
 * @author think49
 */


/**
 * addEventListener wrapper.
 * @function
 * @param {Object}  node       DOM Node.
 * @param {String}  type       event type.
 * @param {Object}  listener   EventListener.
 * @param {Boolean} useCapture useCapture.
 * @returns undefined
 * @type Undefined
 */
var addEvent = (function () {
  if (typeof addEventListener === 'function') {
    return function (node, type, listener, useCapture) {
      return node.addEventListener(type, listener, useCapture);
    };
  } else if (typeof attachEvent === 'function' || typeof attachEvent === 'object') {
    return function (node, type, handler) {
      return node.attachEvent('on' + type, handler);
    };
  }
})();

参考URL

• addEvent.js