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
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);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
doSomething()
.then(result => doSomethingElse(result))
.then(newResult => doThirdThing(newResult))
.then(finalResult => console.log(`Got the final result: ${finalResult}`))
.catch(failureCallback);Copyright © 2021 Codeinu
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