Method colsLabel

src/charts/heatmap.js:81–87

* Set or get the column label function. The chart class uses this function to render * column labels on the X axis. It is passed the column name. * @example * // the default label function just returns the name * chart.colsLabel(function(d) { return d; }); * @param {Functio

(labelFunction)

     * @returns {Function|HeatMap}
     */
    colsLabel (labelFunction) {
        if (!arguments.length) {
            return this._colsLabel;
        }
        this._colsLabel = labelFunction;
        return this;
    }

    /**
     * Set or get the row label function. The chart class uses this function to render