以下範例來說，執行完函式直接 reject('失敗') ，最終也能取得rejected 的狀態及值。 function promise() { return ... ... <看更多>

If it returns a rejected promise, the promise returned by the call to then is resolved to that promise (and will ultimately be rejected, since the promise it's ... ... <看更多>

Disallow rejecting Promises (no-promise-reject). This rule disallows use of Promise.reject() . We don't recommend this rule but it's there for those who ... ... <看更多>

Promise Error Handling · function getUserById(id) { return new Promise((resolve, reject) => { resolve({ id: id, username: 'admin' }); }); } · function getUserById ... ... <看更多>

Failed authentication should reject the Promise , because the caller is expecting a User object in return, and anything else is an exception to ... ... <看更多>

If the promise resolves, then we pass in the resolve function what we want to happen next in our code, if the ... ... <看更多>