Arm-js is an ARM emulator written in Javascript. It emulates ARMv7-A and some peripherals of Versatile Express. It can boot Linux 3.10.29 and run busybox processes.

• Suspend/resume (Chrome only)
  • You can restore emulator states at any time
• Persistent storage (Chrome only)
  • Guest can access part of browser filesystem via virtio-9p
• Many debugging functions

• Chrome 33 beta (recommended)
• Firefox 27

1. Download the source code
   1. git clone git://github.com/ozaki-r/arm-js.git
   2. cd arm-js/
   3. git submodule init
   4. git submodule update
2. Execute ruby misc/simple-http-server.rb on terminal
3. Access http://localhost:8080/arm-js.html
4. Push Boot button at the top-left corner to start the emulator

See the wiki.