Stop text from being selected across all browsers in Firefox

My current CSS includes:

*{
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

If you visit http://jsfiddle.net/KyF5x/ and click below the list, you'll see that the text gets highlighted and can't be un-highlighted. Reloading the page and trying ctrl+a will also highlight the text.

This issue does not occur in Chrome, Safari or IE 10.

Note: I am using Firefox 18.

Answer №1

For a temporary solution, one option is to apply CSS directly to each 'unselectable' element. However, it would be great to find a more universal fix that applies across the entire document.

li{
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

Check out: http://jsfiddle.net/KyF5x/1/

The need for text to be unselectable throughout an entire document becomes more apparent in the realm of web applications rather than traditional websites.

Answer №2

In addition to Jack's response - despite it being 2018, firefox still does not support user-select, but does recognize moz-user-select. I opted for a simplified version of the solution provided in the accepted answer:

/* prevent users from selecting page elements with the mouse */
html, body, div, a, i, button, select, option, optgroup, hr, br {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  cursor: default;
}

This code is tailored for a web application that exclusively uses divs for all page structures, including titles, and where we wanted to avoid disabling selection in input or textarea fields.

In our extensive 500k lines of web application code, this was the sole instance where we had to resort to using -moz- !!

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