Source: src/main/javascript/oracle/oj/ojchart/SparkChartDataItem.js

/**
 * An object used for automation verification of spark chart data items
 * Applications should not create this object.
 * @param {Object} data An object containing verification data
 * @constructor
 * @export
 */  
oj.SparkChartDataItem = function(data) {
  this._data = data;
};

/**
 * Returns the border color of a spark chart data item
 * @returns {String} The data item border color
 * @export
 */
oj.SparkChartDataItem.prototype.getBorderColor = function() {
  return this._data ? this._data['borderColor'] : null;
};

/**
 * Returns the color of a spark chart data item
 * @returns {String} The data item color
 * @export
 */
oj.SparkChartDataItem.prototype.getColor = function() {
  return this._data ? this._data['color'] : null;
};

/**
 * Returns the date of a spark chart data item.
 * @returns {Date} The data item date
 * @export
 */
oj.SparkChartDataItem.prototype.getDate = function() {
  return this._data ? this._data['date'] : null;
};

/**
 * Returns the float value of a spark chart data item. Only applies to floatingBar sparkChart types.
 * @returns {Number} The data item float value
 * @export
 */
oj.SparkChartDataItem.prototype.getFloatValue = function() {
  return this.getLow();
};

/**
 * Returns the low value of a spark chart data item.
 * @returns {Number} The data item low value
 * @export
 */
oj.SparkChartDataItem.prototype.getLow = function() {
  return this._data ? this._data['low'] : null;
};

/**
 * Returns the high value of a spark chart data item.
 * @returns {Number} The data item high value
 * @export
 */
oj.SparkChartDataItem.prototype.getHigh = function() {
  return this._data ? this._data['high'] : null;
};

/**
 * Returns the value of a spark chart data item.
 * @returns {Number} The data item value
 * @export
 */
oj.SparkChartDataItem.prototype.getValue = function() {
  return this._data ? this._data['value'] : null;
};