constp=newPromise((resolve,reject)=>{resolve("resolved first time!");// 只有第一次有效resolve("resolved second time!");reject("rejected!");});p.then((data)=>console.log(data),(error)=>console.log(error)); 2.3. PromiseAPI 代码语言:javascript 代码运行次数:0 运行 AI代码解释 // 1. ...
resolve(promise, value); if (settled === REJECTED) reject(promise, value); } } function handleThenable(promise, value) { var resolved; try { if (promise === value) throw new TypeError('A promises callback cannot return that same promise.'); if (value && (typeof value === 'function...
resolved) reject(promise, e); return true; } return false; } function resolve(promise, value){ if (promise === value || !handleThenable(promise, value)) fulfill(promise, value); } function fulfill(promise, value){ if (promise.state_ === PENDING) { promise.state_ = SEALED; promise....
If `validateStatus` returns `true` (or is set to `null` // or `undefined`), the promise will be resolved; otherwise, the promise will be // rejected. validateStatus: function (status) { return status >= 200 && status < 300; // default }, // `maxRedirects` defines the maximum ...
If `validateStatus` returns `true` (or is set to `null` // or `undefined`), the promise will be resolved; otherwise, the promise will be // rejected. validateStatus: function (status) { return status >= 200 && status < 300; // default }, // `maxRedirects` defines the maximum ...
AFAIK Promises are supposed to be deterministic. And as part of that, resolve in the order they were created. I have found a case where that's not the case with the transpiled version, running in IE11. It behaves differently from when ex...
Promise.all()访问已解析承诺的属性等待所有.promise属性解析不会将它们从承诺变为数据;.promise永远是一...
// If the promise has not yet been resolved, this will cause the promise // to be rejected with status:0. // -- // NOTE: This will NOT raise an exception if the promise is invalid or // already resolved / rejected. functioncancel(promise){ ...
A new Promise is created, that will resolve to1. The resolved value is incremented with 1 (so it is2now), and returned instantly. The resolved value is discarded, and an error is thrown. The error is discarded, and a new value (1) is returned. ...
Improved evented.once(eventName) to return a promise if no listener function is provided, which allows using async/await with map events for a simpler and more readable code. (#10203)🐞 Bug fixesFixed querying of fill-extrusions when terrain is enabled. (#10293) Fixed a bug where close ...