Function getSampleByIndex

assets/main.js:121–129

(index)

      return this.getSampleByIndex(randomIndex);
    },
    getSampleByIndex(index) {
      if (!Number.isFinite(index) || index < 0 || index >= totalSamples) return null;
      const pixels = normaliseSlice(index);
      return {
        index,
        digit: labelBytes[index],
        pixels,
      };
    },
  };
}