elasticX (elasticX) {
        if (!arguments.length) {
            return this._xElasticity;
        }
        this._xElasticity = elasticX;
        return this;
    }
Turn on/off elastic x axis behavior. If x axis elasticity is turned on, then the grid chart will
attempt to recalculate the x axis range whenever a redraw event is triggered.
@param {Boolean} [elasticX=false]
@returns {Boolean|CoordinateGridMixin}