src/coord/Axis.js
function (dim, scale, extent) {

    /**
     * Axis dimension. Such as 'x', 'y', 'z', 'angle', 'radius'.
     * @type {string}
     */
    this.dim = dim;

    /**
     * Axis scale
     * @type {module:echarts/coord/scale/*}
     */
    this.scale = scale;

    /**
     * @type {Array.<number>}
     * @private
     */
    this._extent = extent || [0, 0];

    /**
     * @type {boolean}
     */
    this.inverse = false;

    /**
     * Usually true when axis has a ordinal scale
     * @type {boolean}
     */
    this.onBand = false;
}
function (dim, scale, extent) {

    /**
     * Axis dimension. Such as 'x', 'y', 'z', 'angle', 'radius'.
     * @type {string}
     */
    this.dim = dim;

    /**
     * Axis scale
     * @type {module:echarts/coord/scale/*}
     */
    this.scale = scale;

    /**
     * @type {Array.<number>}
     * @private
     */
    this._extent = extent || [0, 0];

    /**
     * @type {boolean}
     */
    this.inverse = false;

    /**
     * Usually true when axis has a ordinal scale
     * @type {boolean}
     */
    this.onBand = false;
}
function ( dim , scale , extent ) { /**
     * Axis dimension. Such as 'x', 'y', 'z', 'angle', 'radius'.
     * @type {string}
     */ this . dim = dim ; /**
     * Axis scale
     * @type {module:echarts/coord/scale/*}
     */ this . scale = scale ; /**
     * @type {Array.<number>}
     * @private
     */ this . _extent = extent || [ 0 , 0 ] ; /**
     * @type {boolean}
     */ this . inverse = false ; /**
     * Usually true when axis has a ordinal scale
     * @type {boolean}
     */ this . onBand = false ; }
Base class of Axis.
@constructor
Base class of Axis .