JSFiddle - React, Tailwind, and code Playground

JavaScript

var cities = [23, 42, 73];
var cityNames = {
    23: "Conspiracy Ville",
    42: "Meaning of Life City",
    73: "Best Number of All Town"
}

$(cities).each(function (index,cityID) {
  $('body')
    .append(
      '<input value="'+cityID+'" type="checkbox" name="city[]" /> '
        + cityNames[cityID] 
        + '<br>'
  );
});