How to check if a variable is a typed array in javascript?

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ArrayBuffer.isView should help you out.

var data = [0,1,2]
var dataBuffer = new ArrayBuffer( data )
var dataBufferView = new Float32Array( data )

ArrayBuffer.isView(data) //false
ArrayBuffer.isView(dataBuffer) //false
ArrayBuffer.isView(dataBufferView) //true
dataBuffer instanceof ArrayBuffer //true

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