How To Wait Until Promise Is Resolved In Javascript

If the value is a promise that promise is returned. Below program will illustrate the approach. Otherwise the returned promise will be fulfilled with the value.

how many quarts in a quarter gallon how many quarts in a pound of potting soil how many rings does saturn have 2020 how many religions are there in nepal according to the census 2011 how many rings does kobe bryant have how many religions are there in the world and what are they how many races are there in nepal how many religions are there in the world 2020

Let S Make A Javascript Wait Function Hacker Noon

Promises In Javascript I Ll Tell You About It Later By Amber

Javascript Promises An In Depth Approach By Rajesh Babu Codeburst

Deeply Understanding Javascript Async And Await With Examples By

The keyword await makes javascript wait until the promise returns a result.

How to wait until promise is resolved in javascript. In order to wait for a promise to finish before returning the variable the function can be set with settimeout so that the function waits for a few milliseconds. It can only be used inside an async function. If the value is a thenable i e. Here is an example with a promise that resolves in 2 seconds.

Use of async or await function. This returned promise will resolve when all of the input s promises have resolved and non promises have returned or if the input iterable contains no promises. The keyword await is used to wait for a promise. It has to be noted that it only makes the async function block wait and not the whole program execution.

The promise resolve method returns a promise object that is resolved with a given value. The promise all method takes an iterable of promises as an input and returns a single promise as an output. If the value has a then attached to the promise then the returned promise will follow that then to till the final state. Promise resolve method in js returns a promise object that is resolved with a given value.

Use of settimeout function. Use of settimeout function. Has a then method the returned promise will follow that thenable adopting its eventual state. If the value is a promise then promise is returned.

This keyword makes javascript wait until that promise settles and returns its result. Any of the three things can happend.