万能键盘 圆形钢琴的Web组件 用法: < script src =" .../all-around-keyboard.min.js " > </ script > < all> 您还可以使用以下属性来自定义键盘: < all-around-keyboard notes-in-octave = 12 raised-notes =" [2,4,7,9,11] " sweep = 270 octaves = 2