Module.onRuntimeInitialized = function()
{
    // Get C++ vector
    // Vector gets returned as an object with all the same attributes..
    // ..as a C++ vector.
    let vector = Module.returnVector();

    // Print all values of the vector (4, 5, 6)
    for(let i = 0; i < vector.size(); i++)
    {
        console.log(vector.get(i));
    }
}