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Blitzer's Blog >> 72126

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Posted: 06 Sep 2026 04:08 [ permalink ]
==[ Android Chrome ]==
http://Elli:33370/DM/windows.html

Default View

This is the standard, underlying DOM. The DisplayManager is sitting invisibly
on top.

Keyboard Controls:

Alt + Right ArrowB: Next Display

Alt + Left ArrowB: Previous Display


(Or use the floating button in the bottom right corner for mobile)

DEV

JS REPL

Ready... Try typing: DisplayManager.list() > 42 42 > DisplayManager.loadUrl('wi
ki', 'https://en.wikipedia.org') [info] Loaded URL [https://en.wikipedia.org]
into display "wiki" in the background. undefined > DisplayManager.peek('wiki',
4) [info] Peeking at "wiki" for 4 seconds... undefined [info] Peek finished.
Returning to "default".

Run

==

This is AWESOME! Perfect! Thank you very much

==

You are very welcome! Seeing it in action in your video is fantasticthe
transition to Wikipedia and the automatic snap-back to the default view looked
super smooth, and the REPL layout fits perfectly above the on-screen keyboard.
Building your own custom DevTools overlay and window manager like this is such
a smart way to bypass the usual limitations of mobile browser debugging. You
now have a solid, sandboxed environment to orchestrate as many web apps as you
need, all sharing the same namespace without stepping on each other's toes.
Are you planning to start loading your team's actual full-page projects into
it next, or are there any other utility features (like capturing network
requests or local storage inspection) you want to add to the REPL first?