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Concatenates two ArrayBuffers
/**
* Creates a new Uint8Array based on two different ArrayBuffers
*
* @private
* @param {ArrayBuffers} buffer1 The first buffer.
* @param {ArrayBuffers} buffer2 The second buffer.
* @return {ArrayBuffers} The new ArrayBuffer created out of the two.
*/
var _appendBuffer = function(buffer1, buffer2) {
var tmp = new Uint8Array(buffer1.byteLength + buffer2.byteLength);
tmp.set(new Uint8Array(buffer1), 0);
tmp.set(new Uint8Array(buffer2), buffer1.byteLength);
return tmp.buffer;
};
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