Get a copy of the data from a port without popping it.
Signature:
peek(portNumber: number): any;
Parameter | Type | Description |
---|---|---|
portNumber | number | Port to peek. Must be a positive integer. |
Returns:
any
Data in the specified port.
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.