Javascript Async, Await 심화

Javascript Async, Await 심화

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// wait ms milliseconds
function wait(ms) {
  return new Promise(r => setTimeout(r, ms));
}

async function hello() {
  await wait(1500);
  return 'world';
}
hello()
.then(function(r,j){ 
    console.info(r,j);
})
.catch(function(e){
    console.info(e); 
});

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// wait ms milliseconds
function wait(ms) {
  return new Promise(r => setTimeout(r, ms));
}
async function foo() {
//  await wait(500);
  throw Error('bar');
}

async function foo() {
//  await wait(500);
  throw {"aError":"aError"}
}

foo()
.then(function(r,j){ 
    console.info(r,j);
})
.catch(function(e){
    console.info(e); 
});