bitburner-src/markdown/bitburner.netscriptport.peek.md
Olivier Gagnon 8b69fd7faa doc
2022-01-15 18:39:37 -05:00

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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.