arraybuffer Questions
4
Solved
How do I convert the string 'AA5504B10000B5' to an ArrayBuffer?
Jailbreak asked 31/3, 2017 at 2:11
4
Solved
I have a Javascript integer (whose precision can go up to 2^53 - 1), and I am trying to send it over the wire using an ArrayBuffer. I suppose I could use BigInt64Array, but the browser support stil...
Incautious asked 2/6, 2022 at 12:6
4
Solved
I have the following snippet:
new Uint16Array( arraybuffer, 0, 18108 );
I know that arraybuffer is an instance of ArrayBuffer, and that arraybuffer.byteLength is 31984. The content of the arrayb...
Skellum asked 8/3, 2017 at 5:54
2
Solved
I'm downloading a zip file with axios. For further processing, I need to get the "raw" data that has been downloaded. As far as I can see, in Javascript there are two types for this: Blobs and Arra...
Linnlinnaeus asked 28/2, 2020 at 14:46
2
Solved
Using a library like axios I can request data from a http request as an array buffer:
async function get(url) {
const options = {
method: 'GET',
url: url,
responseType: "arraybuffer"...
Gerhart asked 19/4, 2021 at 21:8
11
Solved
I need to convert a base64 encode string into an ArrayBuffer.
The base64 strings are user input, they will be copy and pasted from an email, so they're not there when the page is loaded.
I would li...
Blockage asked 15/2, 2014 at 12:5
7
Solved
Is there a way how to test if two JavaScript ArrayBuffers are equal? I would like to write test for message composing method. The only way I found is to convert the ArrayBuffer to string and then c...
Janniejanos asked 4/2, 2014 at 13:12
19
I need an efficient (read native) way to convert an ArrayBuffer to a base64 string which needs to be used on a multipart post.
Brierroot asked 13/2, 2012 at 20:57
5
This is my code.
var xhr = new XMLHttpRequest();
xhr.open('GET',window.location.href, true);
xhr.responseType = "arraybuffer";
xhr.onload = function(event) {
debugger;
console.log(" coverting ar...
Chickie asked 18/7, 2016 at 9:4
2
I am working on an API which is fetching file data as arraybuffer type. What my main question is there any of knowing what is the mime type of the file from the arraybuffer as I need to convert it ...
Leucippus asked 11/11, 2020 at 7:12
2
The answers from here got me started on how to use the ArrayBuffer:
Converting between strings and ArrayBuffers
However, they have quite a bit of different approaches. The main one is this:
func...
Authority asked 24/7, 2018 at 21:12
5
Here I am calling a GetFile , getting response as ArrayBuffer{} object, In network Tab response is {"errors":["photoProof Image is not available in the system"]}, if I do response.errors=undefined....
Pantheas asked 25/11, 2016 at 13:6
14
How can I convert a NodeJS binary buffer into a JavaScript ArrayBuffer?
Astray asked 22/12, 2011 at 20:21
29
Solved
Is there a commonly accepted technique for efficiently converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to loc...
Renfrew asked 6/8, 2011 at 6:1
2
Solved
I have a basic question. Say I have a Uint16Array and I have number 4 in it.
data_16=new Uint16Array([4]);
Now I have a length 1 and byteLength 2;
how do i convert this to Uint8Array.
I do ...
Impletion asked 20/11, 2014 at 11:40
3
Solved
Background
With a bit of research I've found that, although ArrayBufferView wasn't initially exposed (through [NoInterfaceObject]) there appeared to be broad agreement that it should be, due to my...
Petersburg asked 13/2, 2014 at 11:57
1
Solved
I created an ImageUrl using the following code in React with Typescript. It made a URL, however does not show a picture image. Clicking on the URL eg "http://localhost:3003/0b4de100-d8eb-49a7-...
Penetrating asked 17/11, 2022 at 18:17
2
Solved
I am moving from Node.js to browser environment, and I am still confused over ArrayBuffer vs. typed arrays (such as Uint8Array).
I am confused over where to use the typed arrays, and where to use ...
Wantage asked 23/2, 2017 at 13:13
2
Since Web-Worker JSON serialize data between threads, something like this doesn't work:
worker.js
function Animal() {}
Animal.prototype.foobar = function() {}
self.onmessage = function(e) {
sel...
Idalia asked 11/8, 2015 at 22:49
1
I am using range request to read many 32 bit float from a large binary file, unfortunately the float I need from this file is at different part of the file, hence I need to do range request with mu...
Pamphylia asked 12/7, 2017 at 13:40
4
I have a <canvas> that I'm updating every 100 ms with bitmap image data coming from a HTTP request:
var ctx = canvas.getContext("2d");
setInterval(() => {
fetch('/get_image_dat...
Kawai asked 1/8, 2022 at 9:35
2
Solved
I'd like to convert an AudioBuffer to a Blob so that I can create an ObjectURL from it and then download the audio file.
let rec = new Recorder(async(chunks) => {
var blob = new Blob(chunks, {...
Tishatishri asked 3/6, 2020 at 12:2
3
Solved
I have a requirement where I need to convert some text to audio using Google Text to Speech.
I am using Nodejs to get convert the text to audio file, and want to send the audio output to the front...
Anisometric asked 22/5, 2020 at 6:1
7
Solved
I'm using WebGL to render a binary encoded mesh file. The binary file is written out in big-endian format (I can verify this by opening the file in a hex editor, or viewing the network traffic usin...
Neille asked 23/10, 2011 at 22:37
1
Solved
I am trying to pass a blob with the type of "image/jpeg" from nodeJS to react. In the nodejs end, I pass the data using arraybuffer and on the react end, I try to retrieve it using res.bl...
Hutchins asked 16/8, 2021 at 16:47
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