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纯 JS 实现放大缩小拖拽踩坑之旅
source link: https://juejin.im/post/5dda6f0f6fb9a07aa20bf632
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原创不易，希望能关注下我们，再顺手点个赞~~ 本文首发于政采云前端团队博客： 纯 JS 实现放大缩小拖拽踩坑之旅 前言 最近团队需要做一个智能客服悬浮窗功能，需要支持拖动、放大缩小等功能，因为这个是全局插件，为了兼容性考虑全部使用原生 JS 实现，不引用
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