> For the complete documentation index, see [llms.txt](https://docs.9proxy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.9proxy.com/developers/sdk/sdk-nodejs/functions/getportsavailable-...args.md).

# getPortsAvailable(...args)

Filters a candidate list of ports and returns only those available.

```javascript
getPortsAvailable(ports, portsLen)
```

***

## Parameters

* **ports** (<mark style="color:green;">Uint32Array</mark>) – Candidate ports.
* **portsLen** (<mark style="color:green;">number</mark>) – Array length.

## Return Value

number\[] or Buffer

## Example

```javascript
// example

const cand = new Uint32Array([8000, 8001, 8002]);
const available = sdk.getPortsAvailable(cand, cand.length);
console.log("available: ", available)

```