scroll-direction

install

$ npm install bloody-scroll-direction

require

var scrollDir = require("bloody-scroll-direction")

api

scrollDir.create() > s

creates a scrollDir instance and starts listening to the scroll event.

scrollDir.destroy()

stops listening to the scroll event.

scrollDir.on("change", callback)

let callback be notified when the scroll direction changes.

a data object is passed to callback, containing to properties :

offset

scroll value

direction

• 1 if the scroll goes forward
• -1 if the scroll goes backward