console-timestamp.js

{
  const cLog = console.log;
  const cWarn = console.warn;
  const cError = console.error;
  const cInfo = console.info;
  const cDebug = console.debug;

  function addTSToArgumentList(argList) {
    const ret = [performance.now()];
    for (let i = 0; i < argList.length; i++) {
      ret.push(argList[i]);
    }
    return ret;
  }

  console.log = function () {
    return cLog.apply(console, addTSToArgumentList(arguments));
  };

  console.warn = function () {
    return cWarn.apply(console, addTSToArgumentList(arguments));
  };

  console.error = function () {
    return cError.apply(console, addTSToArgumentList(arguments));
  };

  console.info = function () {
    return cInfo.apply(console, addTSToArgumentList(arguments));
  };

  console.debug = function () {
    return cDebug.apply(console, addTSToArgumentList(arguments));
  };

}