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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [NetscriptPort](./bitburner.netscriptport.md) &gt; [peek](./bitburner.netscriptport.peek.md)

## NetscriptPort.peek() method

Retrieve the first element from the port without removing it.

<b>Signature:</b>

```typescript
peek(): string | number;
```
<b>Returns:</b>

string \| number

the data read

## Remarks

RAM cost: 0 GB

This function is used to peek at the data from a port. It returns the first element in the specified port without removing that element. If the port is empty, the string “NULL PORT DATA” will be returned.