The Konami Code( コナミコマンド) is a cheat code that appears in many Konami video games,[1] although the code also appears in some non-Konami games. The following sequence of buttons on the game controller to enable a kindo of cheat: ↑↑↓↓←→←→ba
- Key Sequence Detection
- Trimming and array to contain the last x elemnts:
let keys = [],
code = "abcd";
keys.splice(-keys.length - 1, code.length - keys.length);