Utilities

Utility functions available in Shelly Scripts for data encoding and conversion.

btoh()

Converts a string to hexadecimal representation.

btoh(data) -> string

Property	Type	Description
data	string	The string to convert

Returns: A string representing every byte of data as 2 hexadecimal digits.

let hex = btoh("Hello");
console.log(hex);  // "48656c6c6f"

btoa()

Encodes a string to Base64.

btoa(data) -> string

Property	Type	Description
data	string	The string to encode

Returns: Base64-encoded string.

let encoded = btoa("Hello World");
console.log(encoded);  // "SGVsbG8gV29ybGQ="

atob()

Decodes a Base64 string.

atob(data) -> string

Property	Type	Description
data	string	The Base64-encoded string to decode

Returns: Decoded string.

let decoded = atob("SGVsbG8gV29ybGQ=");
console.log(decoded);  // "Hello World"

tip

Use atob() and btoa() to transfer binary data with JSON, encoding binary blobs to Base64 and back.