PostMessageAPI.md

YAET postMessage API

Where it Works

The postMessage API is only available on iframes created via write-srcdoc. It will not work on iframes created via write-src.

Format

Each message should be of the following form:

{
    ...command_arguments,
    command: 'some-command',
}

Commands

write-stdin

This command will write charactters in the visible ASCII range to stdin, wrapped between \x1B]21337; and \x1B\\.