mediumGetAllStoryUrls.js

function Sleep(milliseconds) {
  return new Promise(resolve => setTimeout(resolve, milliseconds));
}

stories = [];
async function getStories() {
  for (let i = 0; i < 50; i++) {
    window.scrollTo(0, document.body.scrollHeight);
    await Sleep(250);
  }
  for (let h of document.getElementsByTagName("h3")) {
    var length = h.childNodes[0].href.split('?')[0].split('/').length
    stories.push({
      url: h.childNodes[0].href.split('?')[0],
      title: h.childNodes[0].href.split('?')[0].split('/')[length - 1]
    });
  }
  console.log(JSON.stringify(stories));
}
getStories();