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tc-ngsticky

v1.8.7

Published

A simple, pure javascript (No jQuery required!) AngularJS directive to make elements stick when scrolling down.

Downloads

20

Readme

Angular Sticky

A simple, pure javascript (No jQuery required!) AngularJS directive to make elements stick when scrolling down.

Features

  • Allows use of an offset so elements can be stuck to eg. 50px from the top of the browser
  • Recalculates element position on page load and on window resize
  • Clean: No external CSS or jQuery required, and it only adds the classes you specify.

Bower

Install with bower:

bower install ngSticky

Usage

Include the .js file in your page then enable usage of the directive by including the "sticky" module as a dependency. Use the directive as follows:

<div sticky> Hey there! </div>

To toggle the element stickiness you can bind with scope using the disabled-sticky (ng-model) as follows {{ disabled = true }}:

<div sticky disabled-sticky="disabled"> I won't stick! </div>
<div sticky disabled-sticky="!disabled"> I will stick! </div>

To make the element stick within a certain offset of the top of the screen, you can provide an offset as follows:

<div sticky offset="100"> I won't touch the top of your screen! </div>

By default the element will be replaced with a place holder to prevent DOM resizing. This can be disabled as follows:

If you want to customize the style while the element is sticky, we have an api for you too:

<div sticky offset="100" sticky-class="imSoSticky"> Taste my glue! </div>

And if you want to customize the body style while the element is sticky:

<div sticky offset="100" body-class="somethingIsSticky"> Taste my glue! </div>

And if you want to add in a class when the element is confined and bottomed out:

<div sticky offset="100" bottom-class="cantGoAnyFurther"> Taste my glue! </div>

In order to enable sticky based on a media query:

<div sticky media-query="min-width: 768px"> Won't be sticky on small screens! </div>

If you want the sticky element to be scrollable only if it's smaller then the window inner height then you can set the stick-limit attribute:

<div sticky offset="100" stick-limit="true"> Will stick only if the element isn't bigger then the view</div>

And if you want to confine an element to its parent, and let it 'bottom out', just add the confine attribute:

<div sticky offset="100" confine="true"> Will unstick and stick to bottom of parent element</div>

NOTE: The confine attribute will automagically assign its parent a position: relative style in order to help with absolute positioning relative to the parent.

If you'd like to use an element's overflow-y instead of the window scrollbar. You can use the "sticky-scroll" element to denote an element styled to handle this.

<sticky-scroll style="overflow-y: scroll;min-height: 1000px;display: block;">
  <div sticky>Will stick to element, instead of window scrollbar.</div>
</sticky-scroll>

NOTE: This doesn't work for bottomed out or position absolute elements.

Demo

There are various demo pages that showcase the potential of this widget under the examples folder. You may want to host these on a local webserver and serve via http.

Cheers.