Well i was searching for the knowledge of XXS and landed in the site call https://xss-game.appspot.com/ where it was fun learning the XXS for beginner like me so in this blog i am going to write my experience and code that i use to solve. 1. It was very simple <script>alert('Hello');</script> 2. I tried several time and finally i don't from it come I thought of button and yes i succeeded with some tries <button onclick="alert('Hello again')">let's try</button> once it was posted i clicked it and yes ... I worked :) 3. This took me a long time as i went little depth and while i found https :// xss-game . appspot . com / level3 / frame #1 at the end i can see the responses using number but it was guess I used all the hints but not got any clue :0 I tried a lot and accidentally went into the toogle as i haven't used yet and I attention read all the script and the function using num and with lots of google i...