Node scraper

server.js

const puppeteer = require('puppeteer');
const VIN_SELECTOR = '#page > div > div.pane-content-constrain > main > div > div > div > div > section.side > aside > p.extra-info > span:nth-child(3)';

let vins = [];

async function run() {
  let browser = await puppeteer.launch({
    headless: false
  });

  let pages = await browser.pages();

  await pages[0].goto('https://tesla.com/used');

  let carHandles = await pages[0].$$('.vehicle-link');

  for (let i = 0; i < carHandles.length; i++) {
    await pages[0].waitForSelector('.vehicle-link');
    carHandles[i].click();
  }
  console.log('Finished clicking.');

  let count = 0;

  while (count < carHandles.length) {
    pages = await browser.pages();
    count = pages.length;
  }

  for (let i = 1; i < carHandles.length; i++) {
    let vin = await pages[i].evaluate((sel) => {
      return document.querySelector(sel).innerHTML;
    }, VIN_SELECTOR);

    vins.push(vin);
    await pages[i].close();
  }

  for (let i = 0; i < vins.length; i++) {
    console.log(`${i + 1}: ${vins[i]}`);
  }

  browser.close();
}
run();