CODEWITHSUNDEEP
javascriptwebsockettyped-arrays
Demion
Demion

Reputation: 867

Websocket binary data messages (ArrayBuffer)

As I understand ArrayBuffer length is set only by constructor and cannot be changed dynamically. So I am curious, is it possible using websockets binary data messages send arraybuffer certain part, not whole buffer?

Upvotes: 5

Views: 3271

Answers (2)

pimvdb
pimvdb

Reputation: 154838

You can use .slice to slice an ArrayBuffer: http://jsfiddle.net/rtaB4/21/.

var inputBuffer = new Uint8Array([0, 1, 2, 3, 4]).buffer;
var outputBuffer = inputBuffer.slice(1, 3);

console.log(outputBuffer.byteLength);       // 2
console.log(new Uint8Array(outputBuffer));  // [1, 2]

Upvotes: 2

kongaraju
kongaraju

Reputation: 9596

Read these articles the specification was changed.

http://www.html5rocks.com/en/tutorials/webgl/typed_arrays/

http://updates.html5rocks.com/2012/06/How-to-convert-ArrayBuffer-to-and-from-String

Upvotes: 0

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