Opera bug causing issues with Bootstrap's :active list item styling

Lately, I've been delving into Bootstrap and have come across an issue while using Opera. Upon the webpage loading, the navbar should display a list structured as follows:

<li class="hidden active">
<li class="page-scroll">
<li class="page-scroll">
<li class="page-scroll">
<li class="page-scroll">

Normally, when a user scrolls to a new page or clicks on a li element, the corresponding li should become :active and change its color accordingly. This functionality works flawlessly on all browsers except for Opera.

<li class="hidden">
<li class="page-scroll">
<li class="page-scroll">
<li class="page-scroll">
<li class="page-scroll active">

In addition, in Opera, when a li is clicked or a certain part of the page is scrolled to, it fails to update its class to :active. The list remains static and does not change as expected.

Does anyone know of a bug causing this issue or have any suggested solutions?

Thank you in advance!

Answer №1

Utilizing the jQuery library for the page, specifically the bootstrap scrollSpy feature, has been causing some issues. In my CSS, I have set both the body and html elements to have a height of 100%. However, when using Opera browser, the scrollHeight and maxScroll calculations are incorrect, leading to a malfunctioning navbar. It's puzzling why this bug only seems to affect Opera.

Removing the height: 100% from the body element seems to resolve the problem, although it introduces some presentation issues. Are there any other suggestions for fixing this issue?

Answer №2

Here’s an alternative approach:

Simply swap out the following line in the bootstrap.js code:

scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight

With this line instead:

scrollHeight = $(document).height()

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