深度拷贝

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const _ = require('lodash'); var obj = [{x:1},{y:2}]; console.log(339,_.cloneDeep(obj));<br><br>https://www.lodashjs.com/<br><br>https://blog.csdn.net/muzidigbig/article/details/140401692<br>Radash 取代了lodash<br>https://blog.csdn.net/weixin_45727472/article/details/136991497

   console.log(339,_.cloneDeep(obj));
   console.log(Object.assign(obj))
   console.log([...obj])