When using tty.js I constantly miss the "clear terminal" feature from the OSX Terminal.app. This PR add this feature and maps it to Cmd-K.
Cmd-K clears the terminal
I'm also interested in this feature. The implementation in this PR seems to prevent using k without control keys though (for example, to type ack in the terminal). Here's an alternate approach that allows regular k's while still supporting ctrl-k clearing.