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Update guidelines regarding arguments

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Isabelle Viktoria Maciohsek
2022-01-30 19:04:29 +02:00
parent 8dfeaeea01
commit 0af7192af7
4 changed files with 4 additions and 4 deletions
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snippets/is.md
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@ -8,7 +8,7 @@ lastUpdated: 2020-10-20T23:02:01+03:00
Checks if the provided value is of the specified type.
- Ensure the value is not `undefined` or `null` using `Array.prototype.includes()`.
- Compare the `constructor` property on the value with `type` to check if the provided value is of the specified `type`.
- Use `Object.prototype.constructor` to compare the constructor property on the value with `type` to check if the provided value is of the specified `type`.
```js
const is = (type, val) => ![, null].includes(val) && val.constructor === type;