>Why does a Tor post show an ID on mouse-over?
Mouse-over on a post link triggers an event listener, which calls the function at line 1116 of main.js.
It so happens that main.js was compiled 23 hours before Q returned.
At 21:47 the night before.
Q2147 is dastin…
To confirm this, right click to "inspect element" over a post link.
Look for event listeners and find mouse-over.
You will (likely) find a link to line 1116 of main.js.
Click that.
Scroll to the top for the top comment that includes the compile timestamp.
(Browsers differ….)
Of course this is not a complete answer to that question.