Highest Voted 'arraybuffer' Questions

456

votes

29 answers

Converting between strings and ArrayBuffers

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 localStorage and then read it back.

asked Aug 06 '11 at 06:01

kpozin

25,691
19
57
76

318

votes

19 answers

ArrayBuffer to base64 encoded string

I need an efficient (read native) way to convert an ArrayBuffer to a base64 string which needs to be used on a multipart post.

javascript encoding base64 arraybuffer

asked Feb 13 '12 at 20:57

zaheer

3,221
2
16
4

215

votes

14 answers

Convert a binary NodeJS Buffer to JavaScript ArrayBuffer

How can I convert a NodeJS binary buffer into a JavaScript ArrayBuffer?

javascript node.js binary buffer arraybuffer

asked Dec 22 '11 at 20:21

Drake Amara

3,072
3
19
18

201

votes

10 answers

Convert base64 string to ArrayBuffer

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 like to do this in javascript without making an ajax…

javascript arrays base64 arraybuffer

asked Feb 15 '14 at 12:05

Tony

2,043
2
12
5

144

votes

7 answers

How to go from Blob to ArrayBuffer

I was studying Blobs, and I noticed that when you have an ArrayBuffer, you can easily convert this to a Blob as follows: var dataView = new DataView(arrayBuffer); var blob = new Blob([dataView], { type: mimeString }); The question I have now is, is…

javascript blob arraybuffer

asked Mar 11 '13 at 15:05

Jeanluca Scaljeri

26,343
56
205
333

94

votes

8 answers

Conversion between UTF-8 ArrayBuffer and String

I have an ArrayBuffer which contains a string encoded using UTF-8 and I can't find a standard way of converting such ArrayBuffer into a JS String (which I understand is encoded using UTF-16). I've seen this code in numerous places, but I fail to see…

javascript string utf-8 arraybuffer

asked Jun 19 '13 at 13:03

Tom Leese

19,309
12
45
70

82

votes

7 answers

Javascript Typed Arrays and Endianness

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 using fiddler). When I try to read the binary response…

javascript endianness webgl typed-arrays arraybuffer

asked Oct 23 '11 at 22:37

Bob

909
1
8
8

67

votes

2 answers

Where to use ArrayBuffer vs typed array in JavaScript?

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 ArrayBuffer directly. It's not hard to convert one to…

javascript arraybuffer

asked Feb 23 '17 at 13:13

Karel Bílek

36,467
31
94
149

66

votes

1 answer

how does axios handle blob vs arraybuffer as responseType?

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 Arraybuffers. Both can be specified as responseType in…

javascript node.js axios blob arraybuffer

asked Feb 28 '20 at 14:46

lhk

27,458
30
122
201

54

votes

4 answers

Vue/HTML/JS how to download a file to browser using the download tag

This question is different from the other answer provided, because my question is focused on VUE and if VUE also has a way to prevent the default method. This question is more specific to HTML 5 "download" along with VUE binding of the :href and…

html vue.js arraybuffer

asked Dec 14 '18 at 01:23

Ricky-U

592
1
4
11

46

votes

2 answers

Type 'string | ArrayBuffer' is not assignable to type 'string'

TypeScript error for reading string from FileReader Simple code to read file contents: const reader: FileReader = new FileReader(); reader.readAsText(file); reader.onload = (e) => { const csv: string = reader.result; ->…

javascript typescript arraybuffer

asked Oct 23 '18 at 18:32

Aragorn

5,021
5
26
37

36

votes

4 answers

Appending ArrayBuffers

What is the preferable way of appending/combining ArrayBuffers? I'm receiving and parsing network packets with a variety of data structures. Incoming messages are read into ArrayBuffers. If a partial packet arrives I need to store it and wait for…

javascript arraybuffer typed-arrays

asked May 28 '12 at 14:16

user1421750

1,200
2
9
16

32

votes

2 answers

How to append bytes, multi-bytes and buffer to ArrayBuffer in javascript?

Javascript ArrayBuffer or TypedArrays dont have any kind of appendByte(), appendBytes(), or appendBuffer() methods. So if I want to fill an ArrayBuffer one value at a time, how do I do it? var firstVal = 0xAB; // 1 byte var secondVal =…

javascript buffer arraybuffer typed-arrays

asked Nov 13 '15 at 22:32

codneto

2,319
3
24
36

31

votes

3 answers

How to write a file from an ArrayBuffer in JS

I am trying to write a file uploader for Meteor framework. The principle is to split the fileon the client from an ArrayBuffer in small packets of 4096 bits that are sent to the server through a Meteor.method. The simplified code below is the part…

javascript node.js file-upload meteor arraybuffer

asked Jul 23 '15 at 07:51

Karl.S

2,294
1
26
33

30

votes

2 answers

How do I tell the type of websocket onmessage's parameter?

Here https://developer.mozilla.org/en/WebSockets/WebSockets_reference/MessageEvent it states attribute data is of type DOMString| Blob | ArrayBuffer. How do I tell it which type I want? Or how do I know which type I get?

javascript websocket blob arraybuffer

asked Feb 27 '12 at 09:44

marc40000

3,167
9
41
63

Questions tagged [arraybuffer]