Overview:

This product is a library designed to lazy initialize components of a webpage when they become visible. It listens to the scroll event only when some callbacks are registered.

Features:

No dependencies: This library does not rely on any other external libraries or frameworks.
Fires callback for elements that become visible: When an element becomes visible on the webpage, the library will fire a callback function associated with that element.
Support for threshold: The library allows for a threshold value to be set, so that the callback can be fired before or after the element is fully visible.
Uses AMD: The library uses Asynchronous Module Definition (AMD) to manage its dependencies and ensure proper loading of components.
Uses global sloth if no AMD defined: If no AMD framework is defined, the library falls back to using a global variable named "sloth".
Removes listener when it has nothing to do: The library automatically removes the scroll event listener when there are no more callbacks registered, resulting in efficient event handling.
Works when scrolling down and up: The library works correctly regardless of the direction of scrolling, ensuring a consistent experience for users.
Small file size: The library is minified and gzipped, resulting in a file size of only 459B.

Summary:

The sloth library is a lightweight solution for lazy initialization of components on a webpage. It provides a straightforward way to fire callbacks for elements that become visible, with support for custom thresholds. The library is easy to install and use, and is especially suitable for projects that require efficient event handling and minimal dependencies.

Hakubo

Sloth