rc-js-util/docs/rc-js-util._array.binaryindexof.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [\_Array](./rc-js-util._array.md) &gt; [binaryIndexOf](./rc-js-util._array.binaryindexof.md)

## \_Array.binaryIndexOf property

Performs a bisection search of an 'indexable' object, i.e. can be accessed by index, for example `Array`<!-- -->. Custom data structures are also supported.

**Signature:**

```typescript
static readonly binaryIndexOf: typeof arrayBinaryIndexOf;
```

## Remarks

The `indexable` parameter must be sorted ascending. Where there are multiple equal values the lowest index will be returned.

See [arrayBinaryIndexOf()](./rc-js-util.arraybinaryindexof.md)<!-- -->.