how to create quickmenu in aframe using javascript

I am trying to create a quick menu where if the user clicks the center plane's around it increase in scale from 0 to 1 and the center plane is replaced by a back button now when user clicks back button the planes disappear I tried it with events but it is not working

https://glitch.com/~sugar-zephyr [here is the link to glich page for my code][1]