Web sockets

If you've ever thought about creating a high performance multiplayer game in HTML5 then the new web sockets API is just the thing you've been looking for. If you haven't done much with socket programming before, this is what you've been missing: instead of establishing a connection to a server each and every time a resource needs to be requested, a socket simply creates a connection once, then the client and server can communicate back and forth over that same connection. To put it another way, imagine making a phone call to someone, saying "Hello", then hanging up the phone after the other person says "Hello" back to you. Then, you call that person again, wait for them to pick up the phone and once you're both ready, you ask the person on the other side of the line how he or she is doing. After receiving an answer, you again hang up the phone. This continues for the duration of the conversation, where you only ask a question at a time (or make a single statement at a time),...