async await with babel example

async_await.js

require("babel/polyfill");

document.writeln("async testing; look at console log");

function promiseReturningFunction() {
  return new Promise(function(resolve,reject) {
    setTimeout( () => resolve("resolved message"), 2000);
  });
}
function promiseReturningFunction2() {
  return new Promise(function(resolve,reject) {
    setTimeout( () => reject("rejected message"), 2000);
  });
}

async function asyncTesting() {
  try {
    var message = await promiseReturningFunction();
    console.log("message1", message);
    message = await promiseReturningFunction2();
    console.log("message2", message);
  } catch(e) {
    console.log("error", e);
  }
  console.log("end of async");
}

console.log(asyncTesting());