Javascript ArrayBuffer: How to Use ArrayBuffer Object

Javascript ArrayBuffer Example | ArrayBuffer Object Tutorial

 ArrayBuffer can be used to get data of jpg image (RGB bytes) and produce a png out of it by adding an alpha byte.

Javascript ArrayBuffer Example

Javascript ArrayBuffer object is used to represent the generic, fixed-length raw binary data buffer. You cannot directly manipulate the contents of the ArrayBuffer. ArrayBuffer is used to keep binary data. It can be the binary data of an image for example.


The syntax of ArrayBuffer is the following.

new ArrayBuffer(length)


The length parameter is the length of the ArrayBuffer which is in the bytes. The length size is in bytes.

See the following example.

// app.js

let app = new ArrayBuffer(6)

See the output.

Javascript ArrayBuffer Example

We create an 8-byte buffer with an Int32Array view referring to the buffer. See the following example.

ArrayBuffer Object Tutorial

Finally, the ArrayBuffer Object example is over.

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