ff

About

ff named from "Frequently-used Functions", it's a small JavaScript utility library for Web or NodeJs programming.

Every function work independently and have no dependency, so you can also copy one or some to your projects when required.

It includes two parts:

array: To add, remove, find items from array, do set operation, and order by, group by, aggregate datas just like what you do in SQL.
date: To read / write each part of a date, and format a date.
duration: Express a time period, type can be string, seconds count or object. Can be used to added to a date.
emitter: An event emitter as super class to listen and emit events. It supports scope argument when registering events, such that you don't need to cache binded handler to unregister it later.
function: Includes some classes and corresponding utility function to handle timeout, interval, throttle, debounce.
number: To process number decimal count, precision, mod, constrain.
object: To assign, deeply clone and compare objects.
queue: A queue class to run tasks with a specified concurrency.
string: To process strings, especially to match, format, transfer strings.
sleep: To sleep for a while.

align: To align element to a target element by specified position, If no enough space, will adjust align position automatically. Used to build popup components.
animate: Run animation on element.
css: Get and set style values.
html: Encode and decode HTML codes.
mouse-leave: Call callback when mouse leaves several elements, Useful to build popup components.
net: Class to load several resources and gives a total progress.
node: To check node index, size, visible state.
query: To process URL query.
scroll: To test scroll state, scrolls element into view or to top.
storage: Just like localStorage, except here it read / write json datas.
watch-layout: To watch element's layout state and get notifications when they changed.

Simple documentation is here (Thanks to typedoc).

MIT