JavaScript promises MDN
const promise2 = doSomething().then(successCallback, failureCallback);
JavaScript promises MDN
const promise2 = doSomething().then(successCallback, failureCallback);
JavaScript promises MDN
new Promise((resolve, reject) => {
console.log('Initial');
resolve();
})
.then(() => {
throw new Error('Something failed');
console.log('Do this');
})
.catch(() => {
console.error('Do that');
})
.then(() => {
console.log('Do this, no matter what happened before');
});
JavaScript promises MDN
createAudioFileAsync(audioSettings).then(successCallback, failureCallback);
JavaScript promises MDN
try {
const result = syncDoSomething();
const newResult = syncDoSomethingElse(result);
const finalResult = syncDoThirdThing(newResult);
console.log(`Got the final result: ${finalResult}`);
} catch(error) {
failureCallback(error);
}
JavaScript promises MDN
doSomething(function(result) {
doSomethingElse(result, function(newResult) {
doThirdThing(newResult, function(finalResult) {
console.log('Got the final result: ' + finalResult);
}, failureCallback);
}, failureCallback);
}, failureCallback);
JavaScript promises MDN
doSomething()
.then(result => doSomethingElse(result))
.then(newResult => doThirdThing(newResult))
.then(finalResult => {
console.log(`Got the final result: ${finalResult}`);
})
.catch(failureCallback);
JavaScript promises MDN
const promise = doSomething();
const promise2 = promise.then(successCallback, failureCallback);
JavaScript promises MDN
async function foo() {
try {
const result = await doSomething();
const newResult = await doSomethingElse(result);
const finalResult = await doThirdThing(newResult);
console.log(`Got the final result: ${finalResult}`);
} catch(error) {
failureCallback(error);
}
}
JavaScript promises MDN
doSomething()
.then(function(result) {
return doSomethingElse(result);
})
.then(function(newResult) {
return doThirdThing(newResult);
})
.then(function(finalResult) {
console.log('Got the final result: ' + finalResult);
})
.catch(failureCallback);
JavaScript promises MDN
function successCallback(result) {
console.log("Audio file ready at URL: " + result);
}
function failureCallback(error) {
console.error("Error generating audio file: " + error);
}
createAudioFileAsync(audioSettings, successCallback, failureCallback);
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