 0 400 400   // Examples of JavaScript private elements that start with #
 2 400 401 + class C {
 0 401 401 |   #x;
 2 401 402 +   constructor(x) {
 0 402 402 |     this.#x = x;
 0 402 401 |   }
 2 401 402 +   static getX(obj) {
 0 402 402 |     if (#x in obj) return obj.#x;
 0 402 402 |     return "obj must be an instance of C";
 0 402 401 |   }
 0 401 400 | }
 1 400 400   