Is there a solution for iOS automatic hover adjustment?

Question

Is there a solution for iOS automatic hover adjustment?

Is there a way to create a jQuery plugin or JavaScript script that automatically loops through each CSS hover effect (from an external stylesheet) and binds it with a double tap event?

Tap 1 - Triggers the CSS :hover effect
Tap 2 - Acts as a click (follows a link or performs a form action)

If this functionality doesn't already exist, is it possible to develop it and what are the guidelines for doing so?

EDIT:

Just to clarify, I'm not looking for a double tap. Tap 1 is equivalent to a single tap, just like Tap 2. The time between the two taps can be anywhere from instantly to up to 3 minutes, depending on the user.

No touch interaction:

:hover -> element is made visible
click -> follows a link or other action

Touch interaction (iOS):

Tap 1 -> element becomes visible
Tap 2 -> follows a link or other action

javascript iphone css hover

Answer 1

Answer №1

Give this a try:

<!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() { 
                    var onClick; 
                    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>

For more information, you can visit the demonstration on my website. Please note that this code is specifically designed for use with iPads - detecting iOS versions may require additional modifications.

The functionality is based on the concept that...

When a link is clicked on an iPhone or iPad, it triggers a simulated mouse hover effect that applies CSS styling to the link. If the link has a JavaScript handler preventing redirection, the hover state will persist until another link is clicked.

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

Answer 2

Give this a try:

<!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() { 
                    var onClick; 
                    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>

For more information, you can visit the demonstration on my website. Please note that this code is specifically designed for use with iPads - detecting iOS versions may require additional modifications.

The functionality is based on the concept that...

When a link is clicked on an iPhone or iPad, it triggers a simulated mouse hover effect that applies CSS styling to the link. If the link has a JavaScript handler preventing redirection, the hover state will persist until another link is clicked.

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

Answer 3

Answer №2

In the past, I've implemented the following code snippet:

$(document).ready(function() {
    $('.hover').bind('touchstart touchend', function(e) {
        e.preventDefault();
        $(this).toggleClass('hover_effect');
    });
});

This code was used to enable hover functionality on specific elements. Of course, you may need to customize it for your own requirements, but it's a great way to create a touch and hold hover effect.

Answer 4

In the past, I've implemented the following code snippet:

$(document).ready(function() {
    $('.hover').bind('touchstart touchend', function(e) {
        e.preventDefault();
        $(this).toggleClass('hover_effect');
    });
});

This code was used to enable hover functionality on specific elements. Of course, you may need to customize it for your own requirements, but it's a great way to create a touch and hold hover effect.

Answer 5

Answer №3

Building on Richard JP Le Guens' solution, I have made some improvements that address an issue identified by DADU.

In addition to fixing the workaround for detecting iPads, my version now also detects other touch devices (excluding IE10 on MS surface, which requires special treatment).

While not a perfect solution, my fix does reset the hover effect when hovering over another link.

<!DOCTYPE html>
<html>
<head>
    <title>TouchDevice 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(document.createEvent("TouchEvent")) { // using document.createEvent is more reliable than navigator (Modernizr uses this practice)
                $("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() {
                        $("a").trigger("JWUnhover"); // triggering hoverfix reset if any link gets touched

                        onClick = secondClick;
                        return false;
                    };
                    secondClick = function() {
                        onClick = firstClick;
                        return true;
                    };
                    onClick = firstClick;
                    $(this).click(function() {
                        return onClick();
                    });
                    $(this).bind('JWUnhover', function(){ onClick = firstClick; });
                });
            }
        });
    </script>
    <style type="text/css">
        a:hover {
            color:white;
            background:#FF00FF;
        }
    </style>
</head>
<body>
    <a href="http://google.ca">Google</a>
    <a href="http://stackoverflow.com">stackoverflow.com</a>
</body>
</html>

Answer 6

Building on Richard JP Le Guens' solution, I have made some improvements that address an issue identified by DADU.

In addition to fixing the workaround for detecting iPads, my version now also detects other touch devices (excluding IE10 on MS surface, which requires special treatment).

While not a perfect solution, my fix does reset the hover effect when hovering over another link.

<!DOCTYPE html>
<html>
<head>
    <title>TouchDevice 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(document.createEvent("TouchEvent")) { // using document.createEvent is more reliable than navigator (Modernizr uses this practice)
                $("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() {
                        $("a").trigger("JWUnhover"); // triggering hoverfix reset if any link gets touched

                        onClick = secondClick;
                        return false;
                    };
                    secondClick = function() {
                        onClick = firstClick;
                        return true;
                    };
                    onClick = firstClick;
                    $(this).click(function() {
                        return onClick();
                    });
                    $(this).bind('JWUnhover', function(){ onClick = firstClick; });
                });
            }
        });
    </script>
    <style type="text/css">
        a:hover {
            color:white;
            background:#FF00FF;
        }
    </style>
</head>
<body>
    <a href="http://google.ca">Google</a>
    <a href="http://stackoverflow.com">stackoverflow.com</a>
</body>
</html>

Answer 7

Answer №4

Here is an updated and enhanced version that also manages the closing of the :hover effect

In order for this to function correctly, it's essential to wrap your website in a

<div id="container"></div>

tag. Simply applying the closing event to the body alone proved ineffective.

var bodyBound = false;
var container;

if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPod/i) || navigator.userAgent.match(/iPad/i))
{
    container = $("#container");

     // Trigger the iOS :hover event
    $("a.someLink").on("mouseover", handleHoverClick);
}

function handleClose(event)
{
    container.off("click", handleClose);

    bodyBound = false;
}

function handleHoverClick(event)
{
    if (!bodyBound)
    {
        bodyBound = true;

        // Calling this function—regardless of content—closes the :hover effect
        container.on("click", handleClose);
    }
}

Answer 8

Here is an updated and enhanced version that also manages the closing of the :hover effect

In order for this to function correctly, it's essential to wrap your website in a

<div id="container"></div>

tag. Simply applying the closing event to the body alone proved ineffective.

var bodyBound = false;
var container;

if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPod/i) || navigator.userAgent.match(/iPad/i))
{
    container = $("#container");

     // Trigger the iOS :hover event
    $("a.someLink").on("mouseover", handleHoverClick);
}

function handleClose(event)
{
    container.off("click", handleClose);

    bodyBound = false;
}

function handleHoverClick(event)
{
    if (!bodyBound)
    {
        bodyBound = true;

        // Calling this function—regardless of content—closes the :hover effect
        container.on("click", handleClose);
    }
}

Answer 9

Answer №5

As far as I'm aware, there isn't a jQuery plugin available that can perform this particular task.

It's not possible to directly trigger a CSS pseudo-class like ":hover". However, you can iterate through anchor elements and apply a CSS class ".hover" during touchstart and touchend events with the following code snippet:

var pageLinks = document.getElementsByTagName('a');
for(var i = 0; i < pageLinks.length; i++){
    pageLinks[i].addEventListener('touchstart', function(){this.className = "hover";}, false);
    pageLinks[i].addEventListener('touchend', function(){this.className = "";}, false);
}

If you need to implement a double-finger tap gesture recognizer, you might consider using a plugin like: http://plugins.jquery.com/project/multiswipe

Answer 10

As far as I'm aware, there isn't a jQuery plugin available that can perform this particular task.

It's not possible to directly trigger a CSS pseudo-class like ":hover". However, you can iterate through anchor elements and apply a CSS class ".hover" during touchstart and touchend events with the following code snippet:

var pageLinks = document.getElementsByTagName('a');
for(var i = 0; i < pageLinks.length; i++){
    pageLinks[i].addEventListener('touchstart', function(){this.className = "hover";}, false);
    pageLinks[i].addEventListener('touchend', function(){this.className = "";}, false);
}

If you need to implement a double-finger tap gesture recognizer, you might consider using a plugin like: http://plugins.jquery.com/project/multiswipe

Answer 11

Answer №6

Success! I found a solution that works!

// Implementing hover support for iPad navigation
    $('#header .nav li a').on('taphold tap', function(event) {
        if( $(this).attr("href") !== "" ){
            window.location = $(this).attr("href");
        }

    });

Answer 12

Success! I found a solution that works!

// Implementing hover support for iPad navigation
    $('#header .nav li a').on('taphold tap', function(event) {
        if( $(this).attr("href") !== "" ){
            window.location = $(this).attr("href");
        }

    });

Answer 13

Answer №7

Check out this enhanced jQuery code snippet inspired by Richard JP Le Guen:

$(document).ready(function() {

    $('a').each(function() {

        var flag = false;

        $(this).bind('click', function() {

            if(!flag) return !(flag = true);
        });
    });
});

Answer 14

Check out this enhanced jQuery code snippet inspired by Richard JP Le Guen:

$(document).ready(function() {

    $('a').each(function() {

        var flag = false;

        $(this).bind('click', function() {

            if(!flag) return !(flag = true);
        });
    });
});

Answer 15

Answer №8

If you're facing problems with iOS and hover states, there's an easy fix using CSS. Simply set the cursor property to pointer for the problematic link, and that should solve the issue on iOS devices. To ensure all links work correctly, use the code snippet below:

a
{cursor: pointer;}

Answer 16

If you're facing problems with iOS and hover states, there's an easy fix using CSS. Simply set the cursor property to pointer for the problematic link, and that should solve the issue on iOS devices. To ensure all links work correctly, use the code snippet below:

a
{cursor: pointer;}

Is there a solution for iOS automatic hover adjustment?

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

Answer №6

Answer №7

Answer №8

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