async await es2017 simple example

asyncawait-example.js

//run this example function in chrome console to see async await in action
async function asyncAwaitExample() {

  let tmp = 1;
  let value1 = await getValueFromApi(2000); 
  let value2 = await getValueFromApi(4000); 
  //this function is here just to simulate a server/api behavior
  //returns a random value after provided time(in ms)
  function getValueFromApi(t) {
    return new Promise((rs, rj) => { setTimeout(v => { console.log(`getvalue call ${tmp} ---- ${v}`); tmp++; rs(v + v) }, t, Math.random().toString(36).substring(7)) }).then(v => v + v);
  }

  //print the values on console
  console.log(`${value1 + value2}`);
}