lib/ui/charting/js_charting.js
function($super, key, value, properties) {
            var keysToIgnore = {
                'chart.nullValueMode': true
            };

            if(key in keysToIgnore) {
                return;
            }
            $super(key, value, properties);
        }
function($super, key, value, properties) {
            var keysToIgnore = {
                'chart.nullValueMode': true
            };

            if(key in keysToIgnore) {
                return;
            }
            $super(key, value, properties);
        }
function ( $super , key , value , properties ) { var keysToIgnore = { 'chart.nullValueMode' : true } ; if ( key in keysToIgnore ) { return ; } $super ( key , value , properties ) ; }
override point-based charts need to defensively ignore null-value mode, since 'connect' will lead to unexpected results
override point - based charts need to defensively ignore null - value mode since connect will lead to unexpected results