小程序iOS Promise不支持finally語法 TypeError: undefined is not a function .finally is not a function

原創 wen_rc 2020-05-31 12:24

小程序iOS Promise不支持finally語法

一開始知道finally語法是在Java，以爲是很基本的語法，所以在JavaScript應該也支持，不需要考慮兼容性，後來查MDN才發現並不是。

Promise的finally和try…catch…finally不是同一個東西，只是都叫finally而已。

在小程序的iOS中，更是直接不支持Promise的finaly語法，會報TypeError: undefined is not a function或.finally is not a function的錯誤，還好，把finaly換成then能解決問題
在這裏插入圖片描述

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