Method isAtBottom

web/src/utils/scrollController.js:37–43

* 检查是否在底部 * @returns {boolean}

()

   * @returns {boolean}
   */
  isAtBottom() {
    const container = this.getContainer()
    if (!container) return false

    const { threshold } = this.options
    return container.scrollHeight - container.scrollTop - container.clientHeight <= threshold
  }

  /**
   * 处理滚动事件