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zfz/js_deep_copy.js

Created December 10, 2018 23:08
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js_deep_copy.js
> const _ = require('lodash');
> obj = {'a': {'b': [1,2,3]}}
{ a: { b: [ 1, 2, 3 ] } }
> obj1 = _.cloneDeep(obj);
{ a: { b: [ 1, 2, 3 ] } }
> obj1.a.b.push(4)
> obj
{ a: { b: [ 1, 2, 3 ] } }
> obj1
{ a: { b: [ 1, 2, 3, 4 ] } }
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