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DOM操作成本到底高在哪儿？ | 软硬皆施
source link: http://palmer.arkstack.cn/2018/03/DOM%E6%93%8D%E4%BD%9C%E6%88%90%E6%9C%AC%E5%88%B0%E5%BA%95%E9%AB%98%E5%9C%A8%E5%93%AA%E5%84%BF/?
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从我接触前端到现在，一直听到的一句话：操作DOM的成本很高，不要轻易去操作DOM。尤其是React、vue等MV*框架的出现，数据驱动视图的模式越发深入人心，jQuery时代提供的强大便利地操作DOM的API在前端工程里用的越来越少。刨根问底，这里说的成本，到底高在哪儿呢？
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