How can I merge TypedArrays in JavaScript?

Question

I\'d like to merge multiple arraybuffers to create a Blob. however, as you know, TypedArray dosen\'t have \"push\" or useful methods...

E.g.:

var a          


        

Answer 1

For people who love one-liners:

  const binaryData = [
    new Uint8Array([1, 2, 3]),
    new Int16Array([4, 5, 6]),
    new Int32Array([7, 8, 9])
  ];

  const mergedUint8Array = new Uint8Array(binaryData.map(typedArray => [...new Uint8Array(typedArray.buffer)]).flat());