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README.md

练习 3：创建和删除节点

目标

学会动态新增和删除页面节点。

你要练什么

  • createElement
  • appendChild
  • remove
  • 事件绑定

任务

  • 点击“新增任务”时往列表里加一个新项
  • 点击“删除最后一项”时删除最后一个列表项

文件