/* Options */
var options = {
// Fan color.
fanColor: '#00d7af',
center: {
// The center circle color.
color: '#00d7af',
// The center circle 2 color.
bgColor: '#FFFFFF'
},
// Fan speed. The larger, the faster.
speed: 1
}
/* Constructor */
var roundFan = new zeu.RoundFan('round-fan', options);
/* Setter */
roundFan.speed = 2;
roundFan.fanColor = '#00d7af';
roundFan.centerColor = '#00d7af';
roundFan.centerBgColor = '#FFFFFF';
Change speed on the fly.