I am trying to do Selenium with Java casestudy on the web site https://www.demoblaze.com/index.html,

Steps:

1. Go to https://www.demoblaze.com/index.html
2. clcik on 'Log in' and enter username and Password, finally click on Log in button.

Issue:

As findElement is NOT working even with WebDriverWait on the Log In popup, I have tried JavaScriptExecutor which is working fine with Username and Password.

js.executeScript("document.getElementsByTagName('input')[4].value="+"'"+user+"'"); js.executeAsyncScript("document.getElementById('loginpassword').value="+"'"+pass+"'");

However when I tried on Log in button using getElementsByClassName, querySelector, it did not work. Please help.

FYIP: None of the below working for me.

JavascriptExecutor js;

js.executeAsyncScript("arguments[0].click();","document.evaluate('//button[text()='Log in']', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;");

js.executeScript("document.querySelector('button').onclick = 'logIn()'.click();");

js.executeScript("document.getElementsByClassName('btn btn-primary')[2].click()");