Method xAxisOnClick

src/charts/heatmap.js:355–361

* Gets or sets the handler that fires when a column tick is clicked in the x axis. * By default, if any cells in the column are unselected, the whole column will be selected, * otherwise the whole column will be unselected. * @param {Function} [handler] * @returns {Function|Heat

(handler)

     * @returns {Function|HeatMap}
     */
    xAxisOnClick (handler) {
        if (!arguments.length) {
            return this._xAxisOnClick;
        }
        this._xAxisOnClick = handler;
        return this;
    }

    /**
     * Gets or sets the handler that fires when a row tick is clicked in the y axis.