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Update isPrimitive.md

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Angelos Chalaris
2018-10-16 11:34:45 +03:00
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snippets/isPrimitive.md
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@ -2,9 +2,7 @@
Returns a boolean determining if the passed value is primitive or not. Returns a boolean determining if the passed value is primitive or not.
Use `Array.prototype.includes()` on an array of type strings which are not primitive, Create an object from `val` and compare it with `val` to determine if the passed value is primitive (i.e. not equal to the created object).
supplying the type using `typeof`.
Since `typeof null` evaluates to `'object'`, it needs to be directly compared.
```js ```js
const isPrimitive = val => Object(val) !== val; const isPrimitive = val => Object(val) !== val;