Thanks for reading! I hope this article has given you a deep understanding of merging objects in JavaScript and not just a shallow introduction. const deepMergeObjects = (.objects) => ) Ĭonst mergedData = deepMergeObjects(countries, countriesDetails) Conclusion The merged object will contain deep copies of the properties from the input objects.
In the code, the deepMergeObjects function takes any number of input objects, creates deep copies of them using the JSON.parse(JSON.stringify()) technique, and then merges them using the spread operator inside the reduce() method.
Here’s a function that deep copies multiple objects before merging them and returns a single object.
