Ubuntu javascript-general

$(body > div).click(function() {
    if ($(this).attr(id) == in_or_out) {
        // inside
    } else {
        // not inside
    }
});

EDIT: just learned, that...

jQuery has the method text() that does what you want. Will this work for you?

I'm not sure if it fits for everything that's in your container but it works in my example. It...

I had a similar problem and instead of close() I suggest using destroy() and creating new window every time.

In your background script, you probably use chrome.runtime.onMessage.addListener(function(message, sender, sendResponse){ ... }

In that listener, you can use...