Promise then

Contact Us Home Who We Are Our Story Board of Trustees (2020) Emeritus Board (2020) Our Team Affiliate Council Guest Advisory Council Next . AllCounts(users) { const promises = users. However, this might not always be the more efficient configuration. Quite often, we can perform multiple asynchronous operations at the same time. Tất cả những gì bạn biết về Promise. Có hai sự kiện xảy ra ở đây 1. But sometimes you need to run then in sequential order.

Parallelreturn Promise. The group promise will either be resolved when all the promises have been. See the full specification for more information.

Because calling the then method of a promise returns a new derived promise , it is easily . Originally, you would first wait for all your promises to resolve and then map over the values: function main () { return Promise.