Using JavascriptExecutor to sendKeys plus click on web element

try below code to open any link on page to new tab & switch to that tab. Perform operations there & go back to first tab for further execution.

WebDriver driver = new FirefoxDriver();        driver.get("http://stackoverflow.com/");        WebElement e = driver.findElement(By.xpath(".//*[@id='nav-questions']"));               Actions action = new Actions(driver);         action.keyDown(Keys.CONTROL).build().perform(); //press control key        e.click();        Thread.sleep(10000); // wait till your page loads in new tab        action.keyUp(Keys.CONTROL).build().perform(); //release control key        driver.findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL + "\t"); //move to new tab        driver.navigate().refresh(); // refresh page        driver.findElement(By.xpath(".//*[@id='hlogo']/a")).click(); //perform any action in new tab. I am just clicking logo        driver.findElement(By.cssSelector("body")).sendKeys(Keys.CONTROL + "\t"); //switch to first tab        driver.navigate().refresh();         driver.findElement(By.xpath(".//*[@id='hlogo']/a")).click();// refresh first tab & continue with your further work.I am just clicking logo