Function setParam

js/params.js:21–28

(name, val)

}

export function setParam(name, val) {
  settings[name] = val;
  try {
    localStorage.setItem(STORAGE_KEY, JSON.stringify(settings));
  } catch (e) {
    console.warn(`Unable save to localstorage: ${e}`);
  }
}

function firstDefined(...vals) {
  for (let i = 0; i < vals.length; i += 1) {