// ==UserScript==
// @name         超简易解除网页限制
// @namespace    http://xhunter.org
// @version      1.0
// @description  解除网页的复制 、拖动 、选中 、右键  、粘贴等限制。没有多余的代码,仅28行,尽量做到不占资源.
// @author       hunter
// @include      *
// @exclude        *baidu.com*
// @downloadURL none
// ==/UserScript==
(function(window) {
    var eventArr = ['contextmenu', 'dragstart', 'mouseup', 'copy', 'beforecopy', 'selectstart', 'select', 'keydown'];

    function runScript(window) {
        var document = window["document"],
            $ = window["jQuery"],
            unbind = function(ele) {
                eventArr.forEach(function(evt) {
                    ele['on' + evt] = null;
                    if ($) {
                        $(ele).unbind(evt);
                    }
                    try {
                        if (/frame/i.test(ele.tagName)) {
                            runScript(ele.contentWindow);
                        }
                    } catch (err) {}
                });
            };
        [window, document].forEach(unbind);
        for (var i = 0, all = document.all, len = all.length; i < len; i++) {
            var ele = all[i];
            if (ele && ele.nodeType === 1) {
                unbind(ele);
            }
        }
    }
    runScript(window);
})(window);