<script src="https://unpkg.com/deeplearn"></script> var math = new dl.NDArrayMathGPU(); var a = dl.Array1D.new([1, 2, 3]); var b = dl.Scalar.new(2); var result = math.add(a, b); // Option 1: With a Promise. result.data().then(data => console.log(data)); // Float32Array([3, 4, 5]) // Option 2: Synchronous download of data. This is simpler, but blocks the UI. console.log(result.dataSync());