Javascript pirate’s lounge: Deep clone in AngularJS


angular.copy from AngularJS 1.x is quadratic-slow on large objects, especially in IE.

Use JSON.stringify/JSON.parse for simple objects or _.deepClone for objects with Date objects or cyclic references. Actually, if you don’t clone objects of more than 1000 nodes, this shouldn’t bother you.

How I bumped into it

The other day I faced with a need to deeply clone an object from the redux store and since we’re using angular I initially thought about angular.copy, but then I…

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