remove route with google map

Question

I got a small app that use the Direction Service feature of Google Map. It is working well, I can change routes, but I have a small problem, where a user could go back to a

Answer 1

Since on each call, new instance of DirectionRenderer created thats why each new instance is unaware of previous instance.

Move

var directionsDisplay = new google.maps.DirectionsRenderer();

to the global(at the top where all other Global variables have been initialized.)

By doing so, each time you would be using single instance of DirectionRenderer.