Js控制文字著色，循環交替變色閃爍效果，顏色種類可自定義，在Array數組中添加顏色的定義，本代碼中是在("red","orange","green","blue","browm","putple","gray","white");這8種顏色中循環變換，最終的效果類似于文字閃爍。