Besides focus, there are a few more annotations that can be used to highlight code.
box annotation
function lorem(ipsum, dolor = 1) { const sit = ipsum == null ? 0 : ipsum.sit dolor = sit - amet(dolor) return sit ? consectetur(ipsum, 0, dolor < 0 ? 0 : dolor) : []}
bg annotation
function lorem(ipsum, dolor = 1) { const sit = ipsum == null ? 0 : ipsum.sit dolor = sit - amet(dolor) return sit ? consectetur(ipsum, 0, dolor < 0 ? 0 : dolor) : []}