JS URL injection
Java Script cant do anything very powerful. Its for scripting. Javascript is not made by java and has nothing to do with java which is a stronger language. IF i remeber correctly it was a made by netscape called livescript but the name was changed in order to trick ppl to beliving it had to do with java. LOL worthless information but llol a nice history listen
Javascript was originally refered to as Mocha, and then later LiveScript before being called Javascript. It was created by Netscape for Netscape. Javascript was designed to look similar to Java but is essentially unrelated. It's now called Javascript because Sun made a deal with Netscape; "JavaScript" is a trademark of Sun Microsystems.
Javascript is probably one of the most powerful languages, by far the best on the net - the interweb would be so much worse if it was taken away. It's definately my favourite languge, by far. The possiblities are nearly endless. It's used so often, so well.