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Cover image for 1 line of code: How to merge two Arrays and preserve all entries
martin krause
martin krause

Posted on

1 line of code: How to merge two Arrays and preserve all entries

const mergeArray = (a, b) => [...a, ...b];
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Returns a new Array which contains all items of the two Arrays.


The repository & npm package

You can find the all the utility functions from this series at github.com/martinkr/onelinecode
The library is also published to npm as @onelinecode for your convenience.

The code and the npm package will be updated every time I publish a new article.


Follow me on Twitter: @martinkr and consider to buy me a coffee

Photo by zoo_monkey on Unsplash


Top comments (0)

🀯

"I made 10x faster JSON.stringify() functions, even type safe"

☝️ Must read for JS devs