options

const dropdown1 = $.makeDropdown(
    $.w/2, // x position
    80, // y position
    100, // width
    ["Option A", "Option B", "Option C"] // options
);

const dropdown2 = $.makeDropdown($.w/2, 200, 100, []); // zero options is allowed.

// setting options later also allowed.
dropdown2.options = [
    "Option Q",
    "Option R",
    "Option S"
];

function update() {
    dropdown1.draw();
    dropdown2.draw();
}