javascript copy array of objects without reference

Veröffentlicht am: 15 Juni 2024
auf dem Kanal: CodeMake
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sure! in javascript, when you copy an array of objects using the assignment operator (`=`) or `slice()` method, you are actually creating a shallow copy, which means that the new array still references the same objects as the original array. if you want to create a deep copy of an array of objects, where the new array contains new copies of the objects, you can use the `json.parse()` and `json.stringify()` methods.

here's a step-by-step guide on how to copy an array of objects without reference in javascript:

1. convert the array of objects to a json string using `json.stringify()`.
2. parse the json string back into an array of objects using `json.parse()`.

here's an example code snippet demonstrating how to copy an array of objects without reference:



in this example, `json.stringify(originalarray)` converts the original array to a json string, and `json.parse()` then parses the json string back into a new array of objects. this ensures that the `copiedarray` is a deep copy of the `originalarray`, and modifications to one array will not affect the other.

remember that using `json.stringify()` and `json.parse()` for deep copying works well for simple objects and arrays. however, it may not work as expected for objects with functions, undefined values, or circular references.

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