I call a function and want to put the result value in variable but it does not happen. can you tell me why? main function: When I print it out it shows null. Can you please tell me why? Answer Ah, the reason is because the encrypt function is asynchronous, meaning it takes time to execute. As a result, your
Tag: async-await
async function javascript is not running in background?
This output I want is this 1 2 3! in then but the async function behaves synchronously and does not let the 3! print until after the long loops are done executing. I thought if the async keyword is used, it runs the function inside in the background? I basically want the 2 long loops to run in the background.
getting same response from a promise multiple times
I have a function that would return a promise, and in the case of an error, I have to call the same function again. The problem is that whenever I call it again, I get the same response, as if it was never called again. This is how am resolving: I’m generating a token here, which I use in the
How to pass array inputs as parameter to async function?
I got set of urls from txt file [which I am having in my local] which I got as array inputs with below code Sample output when I do console.log(testurls) [ ‘https://sample1.com’ ‘https://sample2.com’ ] How to pass the values to below function as parameter/argument to run scan on each u…
Throwing errors in async await functions and catching from where it’s called
How can we catch error from an async await function from where it’s called? For example, I have a React component which calls a async-await function imported from another module. When I use Promise.reject(“An unknown has occurred”); in that function, so in my React component why can’t …
Terminal hanging while running an asynchronous JS script to populate a Mongoose DB
I’m working on a personal project and am trying to understand the process logic that keeps my Node JS process from terminating after calling populateTransactions(). I think its because I need to close the DB (I’m not entirely clear on why), but when I do, the process terminates but the save() func…
Get AWS S3 Upload URL – NodeJs AWS-SDK
I’m pretty sure I’m missing something very obvious here, but: I’m uploading a file to an s3 bucket using aws-sdk as follows: I’m able to log the upload url successfully, however the awsURL returned is an array, not the data.Location value – shouldn’t the data.Location be re…
External JS file function cannot see page function
I have an existing legacy aspx page loading an external JS file. I am adding functionality and have added an async function in a script block on the page. The external JS file has been modified to call the async function. No matter where on the page I load the external script it still continues to complain th…
Async generator class stuck on infinite loop javascript
I’m trying to get the following async generator to work: But it ends up in an infinite loop, and thing is always undefined. I’ve tried a similar code, but this time without the Promise/async behaviour, and it seems to work just fine. Answer The for await..of construct will attempt to iterate over …
Please help, I have a problem, My conditional didnt work with data I gained from mongoDB.find()
I have a problem, I code using javascript and I use mongodb or mongoose as the database. I have a little information about async / await I made a variable called “thread” to get data from mongoDB using const thread = await Threads.findOne({threadId}) the thread will have data: { “_id”:…