On localhost, when connecting, vue doesn't output the example from the manual?

Question

local server

Does not display the first example from off.
Here
is the vue3 manual.
When I connect as cdn.
Although the vue container itself works out
Adds its attribute.
And displays a warning in the console that under the dev version.
It also does not work for the product.

And if you stupidly create html and carry out all the same manipulations. He brings out.

Apache server.
Tell