javascript - iOS automatic hover fix?

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javascript - iOS automatic hover fix?

posted Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - iOS automatic hover fix?

Is there a jQuery plugin or JavaScript script that automagically loops through each CSS hover (found in an external stylesheet) and binds it with a double touchdown event?

Touchdown 1 - CSS :hover is triggered
Touchdown 2 - Click (link following or form action)

If there isn't something like this yet, can it be made and how (guidelines)?

EDIT:

To be clear, I am not in search of a double tap. Touchdown 1 is a single tab just like Touchdown 2 is. There can be as less as 0 seconds between both or as much as 3 minutes, that's the user's choice.

No touch:

:hover -> element becomes visible
click -> following link or other action

Touch (iOS):

touchdown 1 -> element becomes visible
touchdown 2 -> following link or other action

See Question&Answers more detail:os

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1 Reply

深蓝 · Answer 1 · 2021-10-17T02:45:59+0000

Try this:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <title>iPad Experiment</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(document).ready(function() {
            if(navigator.platform == "iPad") {
                $("a").each(function() { // have to use an `each` here - either a jQuery `each` or a `for(...)` loop
                    var onClick; // this will be a function
                    var firstClick = function() {
                        onClick = secondClick;
                        return false;
                    };
                    var secondClick = function() {
                        onClick = firstClick;
                        return true;
                    };
                    onClick = firstClick;
                    $(this).click(function() {
                        return onClick();
                    });
                });
            }
        });
    </script>
    <style type="text/css">
        a:hover {
            color:white;
            background:#FF00FF;
        }
    </style>
<body>
    <a href="http://google.ca">Google</a>
    <a href="http://stackoverflow.com">stackoverflow.com</a>
</body>
</html>

... or check out the demo on my web site. Note that it's set up to only work its magic on the iPad - detecting all versions of the iOS is another question in my books ;)

It works on the basis of the fact that...

After you click a link on the iphone or ipad, it leaves a simulated mouse hover that triggers the a:hover css styling on that link. If the link has a javascript handler that keeps you on same page, the hover state will not change until you click on another link.

Citation: Safari iphone/ipad “mouse hover” on new link after prior one is replaced with javascript

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javascript - iOS automatic hover fix?

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