copypast setRgb fixed

tuner/index.js

@@ -68,10 +68,10 @@ function setRGB(value, n){
 }
 
 const red  = new Control(container2, {min: 0, max: 255})
-red.onchange = (value) => setRGB(value,0)
 const green  = new Control(container2, {min: 0, max: 255})
-green.onchange = (value) => setRGB(value,1)
 const blue  = new Control(container2, {min: 0, max: 255})
-blue.onchange = (value) => setRGB(value,2)
-
+const colors = [red, green, blue];
+for(let i = 0; i < colors.length; i++) {
+    colors[i].onchange = value => setRGB(value, i)
+}