Greasy Fork镜像

Fix bug. Work!

Fix bug. There is two button whose selector is a.btn.btn-primary on custom_test in practice contest.

Change the script name.

Fix bug

Fix bug to make it work

Make it work in English environment e.t.c.

Add explanation to the button

Add local Japanese infomation

refactor the code

refactor the code

Use let and event.key to remove old var and event.keyCode

Refactoring