javascript float from/to bits

Question

I am trying to perform something that is brain-dead simple in any other language but not javascript: get the bits out of float (and the other way around).

In C/C++ i

Answer 1

function DoubleToIEEE(f)
{
    var buf = new ArrayBuffer(8);
    (new Float64Array(buf))[0] = f;
    return [ (new Uint32Array(buf))[0] ,(new Uint32Array(buf))[1] ];
}