Console.log improvement

console-log.js

console.clear();

var old = console.log;
console.log = function() {
  var args = [].slice.apply(arguments).concat([(new Error()).stack.split(/\n/)[2].trim()]);
  
  return old.apply(this, args);
};

function test(t) {
  console.log(t);
}

test('zx');