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Another primitive assert function

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laohan
2018-10-12 15:12:43 +08:00
parent f83e636f9b
commit 6c7bd5a9ca
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snippets/isPrimitive.md
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@ -7,7 +7,7 @@ supplying the type using `typeof`.
Since `typeof null` evaluates to `'object'`, it needs to be directly compared. Since `typeof null` evaluates to `'object'`, it needs to be directly compared.
```js ```js
const isPrimitive = val => !['object', 'function'].includes(typeof val) || val === null; const isPrimitive = val => Object(val) !== val;
``` ```
```js ```js