All Questions
Tagged with asynchronous javascript
14,275 questions
0
votes
2
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29
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Javascript dynamic javascript file loading then execution
here is the execution of my javascript:
ee_btn.addEventListener('click', () => {
//Ajax GET request to get data form and rendering it
RequestEEFormData(container, bounds).then(()=&...
1
vote
0
answers
47
views
Why does async/await sometimes lead to slower execution than raw Promises? [closed]
I've been working with JavaScript for a while and often prefer using async/await for readability. However, I recently ran into a situation where switching to raw Promises (using .then) actually ...
- 59
-1
votes
1
answer
79
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How to receive a "stream of input" using XMLHttpRequest object?
I have a javascript file which creates a XMLHttpRequest object and opens a connection to a PHP file and sends a form object to it.
The Javascript file is like this:
let formData = new FormData();
...
- 71
0
votes
1
answer
63
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Javascript async click event issue
I'm bulding a website using Javascript to create some page transition effect to avoid reloading pages.
The interface of the website is divided in 2 parts. The first part is the menu that is present in ...
- 451
-2
votes
1
answer
41
views
Can I avoid awaiting an async function if no return is expected or required [duplicate]
I think I understand async/await but I am confused by a part I have reached in my code in a very common scenario.
I have an async function createOrder() that processes orders. Before that function ...
- 7,583
2
votes
2
answers
67
views
Waiting for all async requests to complete with concatMap
assuming that there are multiple ajax requests that need to execute one by one sequentially, the next one should be called when the previous is done. I can achieve that by using the concatMap RxJs ...
1
vote
1
answer
52
views
How / Is there a way to have a generic algorithm function work with both sync & async functions?
I'm trying to do this in TypeScript, but I think the question is broader than TypeScript and applies to JavaScript as well, hence both tags.
I'm writing some generic algorithm functions (e.g. Nelder-...
- 930
2
votes
0
answers
82
views
JavaSript request in infinite loop stoped after few minutes
Im using the Javascript to read data from digital sensor connected to Raspbery PI (In this case - Rotary Encoder, but it's not that important. This it could be anyone another sensor or controller).
In ...
- 21
4
votes
3
answers
328
views
Determine if async function is nested or runs in parallel
This is a async function that does a sqlite transaction:
async transaction<V>(done: (conn: this) => V): Promise<V> {
this.depth += 1;
await this.execute(`SAVEPOINT tt_${this....
- 66.3k
0
votes
0
answers
59
views
Html2canvas runs sequentially when using promise.all
I have the following code, when I check the runtime log, log, and request time that html2canvas calls, I see the code is running sequentially instead of "parallel". My DOM is quite small but ...
- 1
1
vote
0
answers
42
views
Async context tracking, async_hooks
I'm trying to better understand the output from node async_hooks.
It's not giving me the output I expect.
Specifically, I'd expect that each new async function creates a new asynchronous context.
So ...
- 644
1
vote
1
answer
46
views
Angular ngOnChanges Not Updating Component Variables When @Input() Changes
I have an Angular component that receives an @Input() property from a parent component. The parent component fetches data asynchronously (from an API), and when the data is set, ngOnChanges should ...
0
votes
0
answers
44
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Can't access the property but after 1 second I can access it (async&await) [duplicate]
I want to make my own game in vanilla js to practice my skills with canvas and vanilla js.
I have a problem with async and await in my code and I can't understand what it is.
So I need to get the file ...
0
votes
1
answer
53
views
loading script tag manually in react project
I want to load a widget from Bookeo site into my site they provide a script tag which I have to add into my site and they handle the rest, I wrote the code and every thing is working the script tag is ...
- 51
0
votes
2
answers
90
views
Nodejs behavior with multiple I/O calls
I understand that nodejs uses libuv library for I/O tasks. By default libuv uses four threads for handling I/O tasks. I am trying to understand the behavior of libuv when more than four I/O tasks are ...
- 123