Last week I started reading JavaScript: The Good Parts by Douglas Crockford. It was on my list of long overdue things to do. While reading it, I wanted to be able to kick some simple JavaScript examples around. As rubyist we have it good, irb let's us fire up an interactive console anytime we want. But with JavaScript, options are limited. Sure you could install Johnson/EnvJS, Rhino or some other JavaScript engine. Maybe even load up firebug or the web inspector. But who wants to load a browser to play with JS?










