Unable to establish default focus in firefox

Here is the HTML code we are working with:

<div>
    <span>
        <span id="Container1" tabindex="1" >Container1</span>
    </span>
</div>
<span id="Container2" tabindex="2" >Container2</span>

Our goal is to automatically set focus to the Container2 <span> element when the page loads.

I attempted to achieve this using jQuery:

$(document).ready( function(){

    $("#Container2").focus();
});

This approach works well in Chrome (Version 35.0.1916.153) and IE9. However, it does not work in Firefox (v. 30.0). After researching on Stack Overflow, I also tried:

$(document).ready( function(){

    setTimeout(function () {
                    $("#Container2").focus();
               }, 0);
});

and

$(document).ready( function(){

    setTimeout(function () {
                   $("#Container2").trigger('focus');
               }, 0);
});

but unfortunately, the result remains the same.

Furthermore, it seems that selecting the element with a mouse click is not possible until the TAB button is pressed.

After reviewing another question, it appears that the focus is correctly set but the outline is not rendered.

Is there any solution to properly set default focus in Firefox?

Answer №1

For an interesting read, check out: http://www.w3.org/html/wg/drafts/html/master/editing.html#attr-tabindex

Platform conventions dictate the tabindex focus flag for various elements to ensure proper sequential focus navigation. It is recommended that elements like a, link, button, input, select, textarea, and menuitem have their tabindex focus flag set.

  • a elements with href attribute
  • link elements with href attribute
  • button elements
  • input elements (excluding Hidden state)
  • select elements
  • textarea elements
  • menuitem elements

However: In certain cases, it may be necessary to disregard platform conventions for focus.

If the only way to interact with an element is through keyboard action, it is valid to always allow focusing on that element.

The issue you are facing currently is that Firefox does not display an outline when tabbing through elements. Check out this demo for reference: http://jsfiddle.net/DBEjV/1/

Here is an example CSS for styling elements with :focus. Apply this style to see if it resolves your concerns.

Custom focus style:

:focus
{
    box-shadow: blue 0px 0px 1px 1px;
    outline: none;
}

Consider removing the tabindex and using valid <a> links instead of <span> to improve tab ordering and comply with the previously mentioned rule.

Answer №2

To ensure an element is focused upon loading the document, you can utilize the "autofocus" attribute found in HTML-5.

<div id="ContainerA" tabindex="3" autofocus>ContainerA</div>

Answer №3

Initially, the code provided in this question functions properly when tested independently. However, there seems to be a hindrance in jsfiddle that is causing it not to work as expected. If the code fails in your particular context, it is likely due to interference from other scripts.

If needed, you can opt for a basic vanilla JavaScript alternative:

<script>
window.onload = function() {
  document.getElementById('Container2').focus();
}
</script>

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