nl_tokens: Check if element is fully in viewport
pl_tokens: function ( el ) { var bounding = el . getBoundingClientRect ( ) ; return ( bounding . top >= 0 && bounding . left >= 0 && bounding . <mask> <= ( window . innerHeight || document . documentElement . clientHeight ) && bounding . right <= ( window . innerWidth || document . documentElement . clientWidth ) ) ; }