Restoring console.log()

Some websites are avoiding console.log() as follows.

console.log = function(){};

To restore original console.log(), you can execute the code below in the developer console.

(function(){
  var f = document.body.appendChild(document.createElement('iframe'));
  f.style.display = 'none';
  window.console = f.contentWindow.console;
})();

@ylqjk taught me this solution, Thanks.