two puppeteer windows side by side

twoWindows.js

const puppeteer = require('puppeteer');

const width = 1920;
const height = 1080;

(async () => {
    await puppeteer.launch({
        headless: false,
        args: [
            `--window-size=${Math.floor(width/2)},${height}`,
            `--window-position=0,0`
        ]
    });
    await puppeteer.launch({
        headless: false,
        args: [
            `--window-size=${Math.floor(width/2)},${height}`,
            `--window-position=${Math.floor(width/2)},0`
        ]
    });
})();