Having this async function that returns a Promise: I’m not sure if it really needs to contain new Promise inside as it is already declared as async function. Is it mandatory in this case? Because when that part was removed and at the end instead of return resolve({…}) it is only return {…} it seems to not settle. Here is
Tag: async-await
Replace fetch link with html button
This code is designed to take a data from API, convert it to JSON and display it in the HTML page (with a specific design). There are two buttons on the HTML page that are for changing the page (to change the page, the URL sent to fetch needs to be changed by clicking the buttons (which is where my
Function does not return true even if it goes through
I can’t seem to make this work but I want to return true every-time the function executes successfully, which in this case is “Changing the password”. The res variable when called by other functions always results in false even though I see the toast message “Password changed successfully”. The if condition in above code never executes because res is always
How can we remove the duplicates in async function of java script
I am taking the data from backend for that I am using the async function. But the data contains some duplicate elements so I need to remove them and get those data in DOM. Can we do that. If yes can you explain how to do that. Here data comes from backend and from that data only needed to print
React / JS – Fetch() – Assigning resulting array to a variable I can use
Been banging my ahead against a wall on this one for a while. Doing the FCC course, essentially completed a project but trying to fetch a JSON with an array rather than just putting one in directly, myself, as I wanted to learn how to do it… Didn’t think it would be this difficult! What do I want to do?
Why do async await and Promise.all have the same running time?
I have created three Promises as follows and awaited them, expecting them to take 6000 milliseconds: But, I have received an unexpected console message as follows. As I know, each await has 2000ms of running time. But, It doesn’t. In this case, what is the difference between my code above using async/await and the code below using Promise.all? Answer In
Javascript serial queue using async?
I have the following code: When I run the code above I get this: To do that I referenced this link: https://caolan.github.io/async/v3/docs.html#queue Could someone help me understand why the “serial” nature of the queue is not respected here? I set concurrency to 1 when I created serialQueue but, it looks like the queue isn’t really serializing the execution of the
How to wait for Promise.all() to complete before reaching next line?
I’m learning Node.js. I have to call an async function work() inside my Promise.all() loop and it must be completed before moving on to statements that are after the Promise.all(). Currently, it reaches the FINISH statment before completing work(). What is the right way to make the code wait for work() function to complete? Answer It’s hard to tell what
console.log doesn’t wait “await” in async function
I have this code I want console to wait until onload function ends (when x = true), but this doesn’t happen, console returns false and doesn’t wait this is the output: I want an explanation not just the solve Answer You need to turn the dataget function to return a promise which will resolve after the onload function executed, so
await does not affect async function
Hi i’m fairly new to javascript and I’m having a problem with my async function inside the AddEventListener method that is not awaiting the fetch result, so when i try to console.log(track_info.tracks) it prints out undefined. Answer Solution You need to add an await to the call of getTrack. var track_info = await getTrack(urlTrack); Helpful Tips How to await fetch