【Selenium】15执行JS，判断元素点击，添加删除元素

JavascriptExecutor js= (JavascriptExecutor) driver;js.executeScript("return document.tittle");js.executeScript("var button=document.getElementById('stb');return button.value");

判断元素存在，可点击

@Test    public void JavaScripClick(WebElement webElement){        //元素是否处于可点击状态以及是否显示在页面上    try {        if(webElement.isEnabled()&&webElement.isDisplayed()){            //执行js语句            JavascriptExecutor js = (JavascriptExecutor) driver;            js.executeScript("arguments[0].click;",webElement);        }else {            System.out.println("页面上的元素无法进行单机操作");        }        //不可点击异常    } catch (StaleElementReferenceException e) {        System.out.println("页面元素没有附加在网页中");                e.printStackTrace();            }catch (NoSuchElementException e){        System.out.println("无法完成单击操作");        e.getStackTrace();    }}
改变元素属性
@Test    public void testdataPicker(){    WebElement element = driver.findElement(By.xpath(""));    //修改value    setAttribute(driver,element,"value","修改了");    //修改size    setAttribute(driver,element,"size","10");    //删除size属性    removeAttribute(driver,element,"size");}//增加页面元素，修改页面元素    public void setAttribute(WebDriver driver,WebElement element,String attributeName,String value){        JavascriptExecutor js= (JavascriptExecutor) driver;        js.executeScript("arguments[0].setAttribute(argument[1],argument[2])",element,attributeName,value);    }    //删除页面元素    public void removeAttribute(WebDriver driver,WebElement element,String attributeName){        JavascriptExecutor js = (JavascriptExecutor) driver;        js.executeScript("argument[0].removeAttribute(argumentp[1]),argument[2]",element,attributeName);    }