16 lines
344 B
Markdown
16 lines
344 B
Markdown
---
|
|
title: objectFromPairs
|
|
tags: object,array,beginner
|
|
---
|
|
|
|
Creates an object from the given key-value pairs.
|
|
|
|
Use `Array.prototype.reduce()` to create and combine key-value pairs.
|
|
|
|
```js
|
|
const objectFromPairs = arr => arr.reduce((a, [key, val]) => ((a[key] = val), a), {});
|
|
```
|
|
|
|
```js
|
|
objectFromPairs([['a', 1], ['b', 2]]); // {a: 1, b: 2}
|
|
``` |