Function handler

codebase/sources/dhtmlxscheduler.js:14397–14411

(diff)

        var css_texts = ["left:1px;top:4px;position:absolute;", "left:auto; right:1px;top:4px;position:absolute;"];
        var diffs = [-1, 1];
        var handler = function(diff) {
          return function() {
            if (conf.sync) {
              var calendars = scheduler2._synced_minicalendars;
              for (var k = 0; k < calendars.length; k++) {
                move_minicalendar_date(calendars[k], diff);
              }
            } else {
              if (scheduler2.config.rtl) {
                diff = -diff;
              }
              move_minicalendar_date(d, diff);
            }
          };
        };
        var labels = [scheduler2.locale.labels.prev, scheduler2.locale.labels.next];
        for (var j = 0; j < 2; j++) {
          var arrow = document.createElement("div");