CSDN解除登陆后复制限制

window.oncontextmenu = document.oncontextmenu = document.oncopy = null;
[...document.querySelectorAll('body')].forEach((dom) => (dom.outerHTML = dom.outerHTML));
[...document.querySelectorAll('body, body *')].forEach((dom) => {
    ['onselect', 'onselectstart', 'onselectend', 'ondragstart', 'ondragend', 'oncontextmenu', 'oncopy'].forEach((ev) => dom.removeAttribute(ev));
    dom.style['user-select'] = 'auto';
});