You can move on page by pressing the left and right key.
這裡只顯示彼此間有代碼差異的版本。 顯示所有版本。
Improve early return
Fix but & Fix typo
Fix bug: document.querySelectorAll always return truthy list.
refactoring
Improve performance to add early return.
Improve performance by early returns. return早期化でパフォーマンス改善。
Use MutationObserver because setInterval is resource-intensive.
Fix First link.
Minor change: Add semicolon
