Provides convenient way to select a date using 3 select-boxes.
DEMO: https://codepen.io/taras-zakus/pen/VKLKyR
Defaults: rangeFrom: "-200y", rangeTo: "-12y", rangeRound: true, labelDay: "Day", labelMonth: "Month", labelYear: "Year", format: "m-d-Y", mapping: "day|month|year", onSelectBoxesCreated: function() {/* Apply some styling or anything else. */}, onSelectBoxOptionsChanged: function(selectBox) {}