demo.js

var con = new SimpleConsole({
	handleCommand: handle_command,
	placeholder: "Enter JavaScript, or ASCII emoticons :)",
	storageID: "simple-console demo"
});
document.body.appendChild(con.element);

con.logHTML(
	"<h1>Welcome to <a href='https://github.com/1j01/simple-console'>Simple Console!</a></h1>" +
	"<p>Try entering <code>5 + 5</code> below. Or some faces (ASCII emoticons like <code>:-P</code>).</p>" +
	(location.pathname.match(/tilde|backtick|quake/i) ? "" : "<p>Also check out the <a href='tilde" + (location.hostname.match(/github/) ? "" : ".html") +"'>Quake-style dropdown console example</a>.</p>")
);

function handle_command(command){
	// Conversational trivialities
	var log_emoticon = function(face, rotate_direction){
		// top notch emotional mirroring (*basically* artificial general intelligence :P)
		var span = document.createElement("span");
		span.style.display = "inline-block";
		span.style.transform = "rotate(" + (rotate_direction / 4) + "turn)";
		span.style.cursor = "vertical-text";
		span.style.fontSize = "1.3em";
		span.innerText = face.replace(">", "〉").replace("<", "〈");
		con.log(span);
	};
	if(command.match(/^((Well|So|Um|Uh),? )?(Hi|Hello|Hey|Greetings|Hola)/i)){
		con.log((command.match(/^[A-Z]/) ? "Hello" : "hello") + (command.match(/\.|!/) ? "." : ""));
	}else if(command.match(/^((Well|So|Um|Uh),? )?(What'?s up|Sup)/i)){
		con.log((command.match(/^[A-Z]/) ? "Not much" : "not much") + (command.match(/\?|!/) ? "." : ""));
	}else if(command.match(/^(>?[:;8X][-o ]?[O03PCDS\\/|()[\]{}])$/i)){
		log_emoticon(command, +1);
	}else if(command.match(/^([O03PCDS\\/|()[\]{}][-o ]?[:;8X]<?)$/i)){
		log_emoticon(command, -1);
	}else if(command.match(/^<3$/i)){
		con.log("❤");
	// Unhelp
	}else if(command.match(/^(!*\?+!*|(please |plz )?(((I )?(want|need)[sz]?|display|show( me)?|view) )?(the |some )?help|^(gimme|give me|lend me) ((the |some )?)help| a hand( here)?)/i)){ // overly comprehensive, much?
		con.log("I could definitely help you if I wanted to.");
	}else{
		var err;
		try{
			var result = eval(command);
		}catch(error){
			err = error;
		}
		if(err){
			con.error(err);
		}else{
			con.log(result).classList.add("result");
		}
	}
};