Even after implementing the focus() function, the list item still fails to receive focus

How can I display a list and focus on the first item in the list when a user presses the 'm' key on the keyboard? I have tried using the focus() method on the list item, but it does not seem to be working. Below is the code snippet that I am working with.

HTML:

<!DOCTYPE html>
<html>
    <head>
        <title>VOD</title>
        <script src='js/index.js'>
        </script>
        <style>
            // CSS styles here 
        </style>
    </head>
    <body>
        <video id='vid' src='textMotion.mp4' autoplay loop></video>
        <div id='mid' class='hidden'>
            <div id='mid1'>
                <h1>TEXT</h1>
            </div>
            <div id='mid2'>
                <ul id='ulid'></ul>
            </div>
        </div>
    </body>
</html>

JavaScript:

// JavaScript functions here

document.addEventListener('keydown', changeChannel);

Despite the list being displayed when the user types 'm', the list item does not receive focus as intended. You can also view this issue on JSFiddle. Can someone please assist me in focusing on the list element correctly?

Answer №1

To improve accessibility, consider adding a tabindex attribute to the element. Use the following code snippet:

element.setAttribute('tabindex', value);

This suggestion was inspired by a discussion on this page. Note that while it worked for some users, results may vary.

Answer №2

What seems to be going on here is that the element you are attempting to focus on is a div, which does not maintain focus after clicking it, unlike a button or an input text field.

You can see this behavior by clicking and holding down on the div. Your CSS styles will still be applied.

Instead of using the :focus CSS class, consider utilizing a different pseudo-class in your styling. Alternatively, you could use event.preventDefault() when clicking on the div.

As mentioned in a note from MDN:

If you call HTMLElement.focus() from a mousedown event handler, you must call event.preventDefault() to prevent the focus from leaving the HTMLElement.


Additonally, you may want to read through this answer on Stack Overflow: Is it possible to focus on a <div> using JavaScript focus() function?, which suggests adding a tabindex attribute.

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