Function f

src/tests/test_pyproxy.py:1209–1210

(x=2, y=3)

    from pyodide.ffi import JsException, to_js

    def f(x=2, y=3):
        return to_js([x, y])

    def assert_call(s, val):
        res = run_js(f"(f) => {s}")(f)