What is the difference between deep and shallow merging of objects?
Shallow merging combines properties of two objects at the first level, while deep merging combines nested properties as well.
Can you give me an example of shallow merging?
Sure! If you have two objects, {a: 1, b: 2}
and {b: 3, c: 4}
, a shallow merge would result in {a: 1, b: 3, c: 4}
.
And what about deep merging?
In deep merging, if you have {a: {x: 1}, b: 2}
and {a: {y: 2}, c: 4}
, the result would be {a: {x: 1, y: 2}, b: 2, c: 4}
.
When should I use deep merging instead of shallow merging?
Use deep merging when you need to combine nested objects, ensuring that all levels of properties are merged correctly.
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