Promise

Promise 对象表示异步操作最终的完成（或失败）以及其结果值。仅 HBuilderX 3.9+ 安卓平台支持。

Constructor(fn)

Constructor(fn)_1

实例方法

then()

then(onFulfilled, onRejected?)_1

then(onFulfilled, onRejected?)_2

then(onFulfilled, onRejected?)_3

then(onFulfilled, onRejected?)_4

catch()

catch(onRejected)_1

catch(onRejected)_2

catch(onRejected)_3

catch(onRejected)_4

finally(callback)

resolve()

resolve(value)_1

resolve(value)_2

reject(value?)

all(arr)

race(arr)

any(arr)

allSettled(arr)

Bug & Tips

• 目前 Promise 类型编译到 kotlin 为 io.dcloud.uts.UTSPromise