f2e5e26af3
Correct: `Array.from()` (it’s a static method) Incorrect: `Array.join()` (doesn’t exist; it’s a prototype method) This patch uses the common `#` syntax to denote `.prototype.`.
14 lines
306 B
Markdown
14 lines
306 B
Markdown
### objectFromPairs
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Creates an object from the given key-value pairs.
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Use `Array.prototype.reduce()` to create and combine key-value pairs.
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```js
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const objectFromPairs = arr => arr.reduce((a, [key, val]) => ((a[key] = val), a), {});
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```
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```js
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objectFromPairs([['a', 1], ['b', 2]]); // {a: 1, b: 2}
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```
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