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How to merge 2 arrays of objects with JavaScript?

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Sometimes, we want to merge 2 arrays of objects with JavaScript.

In this article, we’ll look at how to merge 2 arrays of objects with JavaScript.

How to merge 2 arrays of objects with JavaScript?

To merge 2 arrays of objects with JavaScript, we can use the spread operator.

For instance, we write

const arr1 = new Array(
  { name: "lang", value: "German" },
  { name: "age", value: "33" }
);
const arr2 = new Array(
  { name: "childs", value: "5" },
  { name: "lang", value: "French" }
);
const arr3 = [...arr1, ...arr2];

to merge arr1 and arr2 into one array by spreading the entries of arr1 and arr2 into a new array.

And then we assign that to arr3.

Conclusion

To merge 2 arrays of objects with JavaScript, we can use the spread operator.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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