How to Change the value of Applet using JavaScriptExecutor using Selenium Webdriver? – Learn By Example

Please refer example site used in this blog LINK

public class appletTestingWebdriver {
 public static void main(String[] args) throws InterruptedException {

 WebDriver myTestDriver = new FirefoxDriver();
 myTestDriver.manage().window().maximize();

 myTestDriver.navigate().to("http://tinyurl.com/2v5pzuh");

 Thread.sleep(5000L);
 JavascriptExecutor js = (JavascriptExecutor) myTestDriver;
 js.executeScript("document.jsap.setText(document.forms[0].txt1.value);");

}

}