Method hasValue

src/data/SeriesData.ts:822–833

* If value is NaN. Including '-' * Only check the coord dimensions.

(idx: number)

     * Only check the coord dimensions.
     */
    hasValue(idx: number): boolean {
        const dataDimIndicesOnCoord = this._dimSummary.dataDimIndicesOnCoord;
        for (let i = 0, len = dataDimIndicesOnCoord.length; i < len; i++) {
            // Ordinal type originally can be string or number.
            // But when an ordinal type is used on coord, it can
            // not be string but only number. So we can also use isNaN.
            if (isNaN(this._store.get(dataDimIndicesOnCoord[i], idx) as any)) {
                return false;
            }
        }
        return true;
    }

    /**
     * Retrieve the index with given name