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# hasEvenNumber

> Checks if an array contains an even number.

## Signature

```typescript path=null start=null theme={null}
hasEvenNumber(arr: number[]): boolean
```

## Parameters

* **arr**: `number[]` - The array of numbers to check.

## Returns

`boolean` - True if the array contains at least one even number, false otherwise.

## Source

Defined in [array.ts:95](https://github.com/koji/ichigyou/blob/main/src/array.ts#L95)