his "Back to top" link allows users to smoothly scroll back to the top of the page. It's a little detail which enhances navigation experience on website with long pages.
Browser support
This resource is suitable for website with lots of page content. The link fades in on the right-hand side of the content area, after the browser window has been scrolled beyond a certain point, and remains fixed during scrolling.
If users keeps on scrolling, the button nicely reduces its opacity to be less distracting during navigation.
If users keeps on scrolling, the button nicely reduces its opacity to be less distracting during navigation.
Creating the structure
We inserted the “Back to top” link at the bottom of our content, before the
Adding style
The link will appear fixed on the right-side of the content. Initially it has a
Both visibility and opacity are controlled through two classes:
visibility:hidden; and an opacity:0;.Both visibility and opacity are controlled through two classes:
.cd-is-visible and .cd-fade-out.
These classes are added (or removed) to the “Back to top” link using jQuery.
Events handling
In our .js file, we have defined three variables to control the “Back to top” link appearance:
The
The top scrolling function is implemented using the jQuery
offset variable will be used to toggle the class .cd-is-visible; the offset_opacity, instead, to add the .cd-fade-out class.The top scrolling function is implemented using the jQuery
.animate() method, and bound to the “Back to top” click event.
source : https://codyhouse.co/gem/back-to-top/
download source : https://codyhouse.co/redirect/?resource=back-to-top
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