iframe-proxy | Sunbelt Computer Software

38 lines (33 loc) · 657 Bytes

'use strict';
const range = {
  start: 1,
  end: 1000,
  [Symbol.asyncIterator]() {
    let value = this.start;
    return {
      next: () => new Promise((resolve, reject) => {
        setTimeout(() => {
          resolve({
            value,
            done: value++ === this.end + 1
          });
        }, 0);
console.dir({
  names: Object.getOwnPropertyNames(range),
  symbols: Object.getOwnPropertySymbols(range),
const timer = setInterval(() => {
  console.log('next ', k++);
(async () => {
  for await (const number of range) {
    console.log(number);
  clearInterval(timer);

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