script.js

  let original_console = window.console;

  let console = Object.create(window.console);

  console.log = function(msg, formatting) {
    formatting = formatting || '';
    console.groupCollapsed();
    console.trace();
    original_console.log(msg, formatting);
    console.groupEnd();
  }

  function force () {
    try {
      throw new Error;
    } catch(e) {
      console.log('Message');
      console.log('%cMessage', 'color: green');
    }
  }

  function one(a) {
    two(a);
  }

  function two() {
    force();
  }

  one('string');