Method getContext

src/core/core.scale.js:961–971

* @protected

(index)

	 * @protected
	 */
  getContext(index) {
    const ticks = this.ticks || [];

    if (index >= 0 && index < ticks.length) {
      const tick = ticks[index];
      return tick.$context ||
				(tick.$context = createTickContext(this.getContext(), index, tick));
    }
    return this.$context ||
			(this.$context = createScaleContext(this.chart.getContext(), this));
  }

  /**
	 * @return {number}