Function oc

jd_cfd.js:43–49

(fn, defaultVal)

const randomCount = $.isNode() ? 20 : 3;
$.appId = 10032;
function oc(fn, defaultVal) {//optioanl chaining
  try {
    return fn()
  } catch (e) {
    return undefined
  }
}
function nc(val1, val2) {//nullish coalescing
  return val1 != undefined ? val1 : val2
}