Phantomjs: PhantomJS is unable to find my element.

[qaDream77]

I have a login button but it doesn't have an id.

<input class="loginBtn" name="submit" value="Log in" tabindex="2" type="submit">

because of that document.getElementById("submit").click();

can't find the button and returns

TypeError: null is not an object (evaluating 'document.getElementById("submit").click')

  undefined:4
  :5

How do i find the element by any of the above values that i do know? Because i do not have an ID to use.

[GunsAkimbo]

try:
document.getElementsByClassName("loginBtn")[0].click();
or
document.getElementsByName("submit")[0].click();

[qaDream77]

document.getElementsByName("submit")[0].click(); works! Why did I need [0]?

[GunsAkimbo]

document.getElementById returns a single element.
document.getElementsByName returns a collection (notice the suffixed "s"), so you need [0] to reference the first element.

[vitallium]

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