Since r118 [page:WebGLRenderer] automatically uses a WebGL 2 rendering context. When upgrading an existing project to => r118, applications might break because of two reasons:
Creates a new [name].
See the base [page:WebGLRenderer] class for common properties.
Read-only flag to check if a given object is of type [name].
See the base [page:WebGLRenderer] class for common methods.
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]