rashmi agar
1 post
Mar 07, 2025
8:03 PM
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I’ve been working with array concat and came across the .concat() method. I understand that it’s used to merge two or more arrays, but I’d like to clarify a few things:
Does concat() modify the original arrays, or does it return a new one?
Can concat() be used to merge more than two arrays at once?
How does it handle different data types, like strings and objects?
Here’s a simple example I tried:
javascript
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const arr1 = [1, 2, 3];
const arr2 = [4, 5, 6];
const result = arr1.concat(arr2);
console.log(result); // [1, 2, 3, 4, 5, 6]
Would love to hear your thoughts and best practices for using concat(). Also, are there any performance considerations when working with large datasets?
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