Re-enable the COPY from a copy-protected web page on a chrome browser

enable-copy-chrome.js

//
// See https://github.com/FallenMax/chrome-extension-allow-copy/blob/master/extension/content_scripts/unlocker.js
//
((frame) => {
    [
      'copy', 'cut', 'contextmenu', 'selectstart', 'mousedown', 'mouseup', 'mousemove', 'keydown', 'keypress', 'keyup' 
    ].forEach(evt => {
        frame.document.documentElement.addEventListener(evt, e => {
          e.stopPropagation();
          e.stopImmediatePropagation && e.stopImmediatePropagation();
        }, {
          capture: true,
        })
    });
    const style = frame.document.createElement('STYLE');
    style.innerHTML = 'html,body,*,*::before,*::after { -webkit-user-select: initial !important; user-select: initial !important; }';
    frame.document.documentElement.append(style);
})(window); // or window['frame_id']

Usage

• Open a development tool console on a chrome browser.
• Copy and paste the code above into the console.