ScrollTracker

Viki. ScrollTracker

Keeps track of the furthest point on page that user has scrolled to

Constructor

new ScrollTracker()

Source:

Methods

init()

Source:
Start tracking

percentageSeen() → {Number}

Source:
Percentage of document that appears on user's viewport
Returns:
Type
Number

percentageSeenRounded(granularityopt) → {Number}

Source:
Percentage of document that appears on user's viewport rounded to given granularity
Parameters:
Name Type Attributes Default Description
granularity Number <optional>
10 granularity of rounding
Returns:
Type
Number

store(y)

Source:
Save scroll y coordinate
Parameters:
Name Type Description
y Number y-coordinate to store