Js Promise Then Chain
Js Promise Then Chain . Both are optional, so you can add a callback for success or failure only. Step to run the program: JavaScript Promise Chaining — Basics from morioh.com You have to assign the return value of.then back to chain:. The high level structure of a promise chain is a series of.then () calls, each with an onfulfilled () parameter, and a single.catch () at the end. How do i access previous promise results in a.then() chain?