nl_tokens: Sets the date or time to the start of the specified increment
pl_tokens: function resetLocalOrResetUTC ( increment , date , utc ) { var _incrementHandlers ; var incrementHandlers = ( _incrementHandlers = { } , defineProperty ( _incrementHandlers , SECOND , function ( date ) { return new Date ( date [ 'set' + utc + 'Seconds' ] ( date [ 'get' + utc + 'Seconds' ] ( ) , 0 ) ) ; } ) , defineProperty ( _incrementHandlers , MINUTE , function ( date ) { return new Date ( date [ 'set' + utc + 'Minutes' ] ( date [ 'get' + utc + 'Minutes' ] ( ) , 0 , 0 ) ) ; } ) , defineProperty ( _incrementHandlers , HOUR , function ( date ) { return new Date ( date [ 'set' + utc + 'Hours' ] ( date [ 'get' + utc + 'Hours' ] ( ) , 0 , 0 , 0 ) ) ; } ) , defineProperty ( _incrementHandlers , DATE , function ( date ) { date [ 'set' + utc + 'Date' ] ( date [ 'get' + utc + 'Date' ] ( ) ) ; date [ 'set' + utc + 'Hours' ] ( 0 , 0 , 0 , 0 ) ; return new Date ( date ) ; } ) , defineProperty ( _incrementHandlers , WEEK , function ( date ) { date [ 'set' + utc + 'Date' ] ( date [ 'get' + utc + 'Date' ] ( ) - date [ 'get' + utc + 'Day' ] ( ) ) ; date [ 'set' + utc + 'Hours' ] ( 0 , 0 , 0 , 0 ) ; return <mask> Date ( date ) ; } ) , defineProperty ( _incrementHandlers , MONTH , function ( date ) { date [ 'set' + utc + 'Month' ] ( date [ 'get' + utc + 'Month' ] ( ) , 1 ) ; date [ 'set' + utc + 'Hours' ] ( 0 , 0 , 0 , 0 ) ; return new Date ( date ) ; } ) , defineProperty ( _incrementHandlers , YEAR , function ( date ) { date [ 'set' + utc + 'FullYear' ] ( date [ 'get' + utc + 'FullYear' ] ( ) , 0 , 1 ) ; date [ 'set' + utc + 'Hours' ] ( 0 , 0 , 0 , 0 ) ; return new Date ( date ) ; } ) , _incrementHandlers ) ; return incrementHandlers [ increment ] ( date ) ; }