public/libraries.js
function () {
            var allItems = [];
            each(this.chart.series, function (series) {
                var seriesOptions = series.options;

                // Handle showInLegend. If the series is linked to another series, defaults to false.
                if (!pick(seriesOptions.showInLegend, !defined(seriesOptions.linkedTo) ? UNDEFINED : false, true)) {
                    return;
                }

                // use points or series for the legend item depending on legendType
                allItems = allItems.concat(
                  series.legendItems ||
                  (seriesOptions.legendType === 'point' ?
                    series.data :
                    series)
                );
            });
            return allItems;
        }
function () {
            var allItems = [];
            each(this.chart.series, function (series) {
                var seriesOptions = series.options;

                // Handle showInLegend. If the series is linked to another series, defaults to false.
                if (!pick(seriesOptions.showInLegend, !defined(seriesOptions.linkedTo) ? UNDEFINED : false, true)) {
                    return;
                }

                // use points or series for the legend item depending on legendType
                allItems = allItems.concat(
                  series.legendItems ||
                  (seriesOptions.legendType === 'point' ?
                    series.data :
                    series)
                );
            });
            return allItems;
        }
function ( ) { var allItems = [ ] ; each ( this . chart . series , function ( series ) { var seriesOptions = series . options ; // Handle showInLegend. If the series is linked to another series, defaults to false. if ( ! pick ( seriesOptions . showInLegend , ! defined ( seriesOptions . linkedTo ) ? UNDEFINED : false , true ) ) { return ; } // use points or series for the legend item depending on legendType allItems = allItems . concat ( series . legendItems || ( seriesOptions . legendType === 'point' ? series . data : series ) ) ; } ) ; return allItems ; }
Get all items, which is one item per series for normal series and one item per point
for pie series.
Get all items which is one item per series for normal series and one item per point for pie series .