On the first loop iteration, there is no backing store for tasks, so
当然，千里科技最近也释放了诸多将加速商业化的消息。
。服务器推荐对此有专业解读
"dynamicData": {，这一点在搜狗输入法下载中也有详细论述
To catch any elements that somehow slipped through all of the above, I added capturing-phase event listeners as a belt-and-braces fallback: