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Infinite folding menu sample code rewritten from js general method to object-oriented method_javascript skills

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Release： 2016-05-16 17:30:03

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This example is based on someone else's example. It turns out that guy used a general method to write an infinite folding menu. I would like to thank him in advance! Later, I made some simplified modifications and changed the original example into an object-oriented approach. The small expanded and closed icons in the example can be re-added by myself to better view the effect.

Copy code The code is as follows:

很实用的JS CSS多级树形展开菜单

校讯通
- 沈阳市
  - 二小
    - 二年级
    - 三年级
      - 一班
        
        张三
        
        王五
        
        班长
        
        学习委员
      - 实验班
- 抚顺市
  - 二小
  - 一中

< /html>

Related labels：

Collapse menu object-oriented

source：php.cn

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