Runs callbacks when user scroll up or down thresholds.
npm install scrollbackThis simple module allows you to hook up a callback for when the user scrolls the page to a particular Y position, either going up or down.
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const request = {
callback: callbackReference,
position: positionInPixelsToTriggerCallback,
direction: ifTheCallbackIsTriggerGoingUpDownOrBoth, // Optional. Default "down"
oneShot: isItCallableOnlyOnce // Optional. Default false
}
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scrollback.register( request )