How can I crawl a webPage which through javascript dynamically generated like this

Question

I hava crawl the webPageSource by use the selenium and the code like this

public static String getCurrentPageSource(String url) {
    webDriver = new ChromeDriver();

    webDriver.get(url);

    String src = webDriver.getPageSource();

    //writeInfile(src);
    webDriver.close();

    return src;
}

but I can't see the remain time in the pageSource I have crawl Because it is dynamically generated by JS.