How to interact with hidden elements in Webdriver.

1. WebElement element =driver.findElement(By.id("idElement"));

  ((JavascriptExecutor) driver).executeScript("return arguments[0].getText();", element);

2. WebElement element =driver.findElement(By.id("idElement"));

   JavascriptExecutor js = (JavascriptExecutor)driver;
  js.executeScript("arguments[0].click();", element); 

3  WebElement element =driver.findElement(By.id("idElement"));

  javascriptExecutor jse = (JavascriptExecutor)driver;
  jse.executeScript("document.getElementsByName('body')[0].setAttribute('type', 'text');");
  element .clear();
  element .sendKeys("text");