<!DOCTYPE html>
<script src="/dist/d3-require.js"></script>
<script>

d3.require("d3-selection").then(selection0 => {
  d3.require("d3-array", "d3-selection").then(selection1 => {
    console.log(selection0.event, selection1.event);
    selection0.event = 42;
    console.log(selection0.event, selection1.event);
  });
});

</script>
