23 lines
474 B
Markdown
23 lines
474 B
Markdown
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<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [isNil](./js-utils.isnil.md)
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## isNil() function
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<b>Signature:</b>
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```typescript
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export declare function isNil<T>(val: Optional<T>): val is Nil;
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```
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## Parameters
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| Parameter | Type | Description |
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| --- | --- | --- |
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| val | <code>Optional<T></code> | |
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<b>Returns:</b>
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`val is Nil`
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