How do I click on this button with Greasemonkey?

Question

I\'m a total newbie with JS, and I\'m trying to click on this button:

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Answer 1

You need to use the method click rather than submit. You can use submit when you want to submit a form.

getElementsByClassName also returns an array of elements, you need to retrieve the one you want and then call click on it.

document.getElementsByClassName('simplebutton')[0].click();​

http://jsfiddle.net/kLDde/