// Importing required libraries
const puppeteer = require('puppeteer');

(async () => {
    const browser = await puppeteer.launch({ headless: false });
    const page = await browser.newPage();
    await page.goto('https://www.typesy.com/');

    // Wait for the typing area to load
    await page.waitForSelector('#typing-area-selector'); // Replace with actual selector

    const textToType = "Your text here"; // Replace with the text you want to type

    for (let char of textToType) {
        await page.type('#typing-area-selector', char); // Replace with actual selector
        await page.waitForTimeout(100); // Adjust typing speed
    }

    // Close the browser after typing
    await browser.close();
})();
 <script defer data-domain="html.cafe" src="https://milkymouse.com/js/script.js"></script>