25 lines
675 B
Markdown
25 lines
675 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) > [getHeadOrDefault](./js-utils.getheadordefault.md)
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## getHeadOrDefault() function
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<b>Signature:</b>
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```typescript
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export declare function getHeadOrDefault<TKey, TVal>(map: Map<TKey, Array<Optional<TVal>>>, key: TKey, defaultValue: TVal): TVal;
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```
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## Parameters
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| Parameter | Type | Description |
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| --- | --- | --- |
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| map | <code>Map<TKey, Array<Optional<TVal>>></code> | |
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| key | <code>TKey</code> | |
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| defaultValue | <code>TVal</code> | |
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<b>Returns:</b>
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`TVal`
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