javascript safe navigation operator code example

Example 1: conditional chaining chrome

const nameLength = db?.user?.name?.length; // property
const adminOption = db?.user?.validateAdminAndGetPrefs?.().option; // functions
const optionLength = db?.user?.preferences?.[optionName].length; // dynamic property
const userName = usersArray?.[userIndex].name; // on arrays

Example 2: safe navigation operator

const name = article?.author?.name

Example 3: optional-chaining operator

if (user?.team?.subscription?.invoices) {
  //
}