Custom override console.log to display date on every return string

gistfile1.js

function showDate(){
  var date = new Date(),
    str = date.toUTCString();

  return str;
}

var orig = console.log;

console.log = function() {
  var msgs = [];

  while(arguments.length) {
      msgs.push("[" + showDate() + "]" + ': ' + [].shift.call(arguments));
  }

  orig.apply(console, msgs);
};

mark

Chrome DevTools has this built in. Go to 3 dots (top right) > settings > Console > Show timestamps