Sometimes, we want to insert an array inside another array with JavaScript.
In this article, we’ll look at how to insert an array inside another array with JavaScript.
How to insert an array inside another array with JavaScript?
To insert an array inside another array with JavaScript, we can use the array splice method.
For instance, we write
a1.splice(2, 0, ...a2);
to call a1.splice with 2, 0 and the entries in array a2 as arguments.
We insert the elements of a2 from index 2 of a1 and we delete 0 entries from a1 before we insert them.
Conclusion
To insert an array inside another array with JavaScript, we can use the array splice method.
