Intercept calls to console.log in Chrome

Question

I have a script that I can\'t change that makes a lot of console.log calls. I want to add another layer and respond if the calls contain certain strings. This works in FF, b

Answer 1

With ES6 new spread operator you can write it like this

(function () {
  var log = console.log;
  console.log = function () {
    log.call(this, 'My Console!!!', ...arguments);
  };
}());