ws
onWebGLContextRestored and onWebGLContextLost
update html
ca to throwError
b to fsh, c to vsh, remove oc
qc to activeProgram, nc to primaryProgram, O to program
program attr, uniform
rc to loadPrimaryProgram
E to callSuperConstructor, xP to inheritCopy
param rename in callSuperConstructor
xa to isInstance
j6 to isString
vf to isInstance
isInstance param