JS-DOS is, as the name suggests, a JavaScript library project that allows you to run a DOS program in a browser without much hassle.
Once in place in your project you can then quickly launch a DOS program quickly:
Dos(element).run("game.jsdos")

Emulators and emulators-ui layers will also allow you to use the JS-DOS API and run the emulation in different environments or even design your own DOS program player.
It’s really tools and an API that will allow you either to build your own site like DOS Zone or your own mobile emulation application. But I am also thinking of professional tools still under DOS and still used in certain companies, which could in this way be put online on a server, thus avoiding messy installations on recent machines.

So many possibilities.
Anyway, JS DOS is available on this site . Have fun and above all, remember to read the doc .
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