Using Javascript to click button

Question

I made an AppleScript to access a webpage and login. Well, at some point I need to click on a button to valid my vote. Here is what I get on that button :

 <form method="post" action="/website/in/16">
 <input type="submit" name="valid" value="Valider mon vote" class="btn btn-default" />

I thought it'd be easy to do it with Javascript, here is my code :

tell application "Safari"
    do JavaScript "document.getElementsByName('valid').click();"
end tell

A click on the link to vote opens a webpage into the existing one, does it change anything for my problem?

user309603 · Accepted Answer · 2014-05-06 07:09:35Z

2

You have to specify the document that the JavaScript should be evaluated in.

do JavaScript "document.readyState" in document 1

Now it's evaluated in the frontmost tab of the frontmost window. A safe way would be something like this:

tell application "Safari"
    do JavaScript "document.getElementsByName('valid').click();" in item 1 of (every tab of every window whose URL starts with "http://www.votepage.com/")
end tell

Now it will work even if the tab is in the background (or Safari is not the frontmost application).

edited May 6, 2014 at 7:09

answered May 5, 2014 at 20:18

user309603

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3 Comments

mklement0 Over a year ago

It appears that you do indeed have to specify a tab, despite Safari's AppleScript dictionary suggesting that the tab spec. is optional (as of OS X 10.9.2).

user309603 Over a year ago

Thanks for the hint and the correction. I've updated it.

mklement0 Over a year ago

Actually, I was agreeing with you. :) The dictionary states that you specify the target as a tab object, but it appears that you can use a document object as well. However, the dictionary also states that the tab spec is optional, which is not true in reality. Given that the command without a tab spec compiles and fails completely silently, my guess is that it's a bug, and that the intent was to execute in the front window's current tab by default.

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