Inspired by palipad (demo of palipad),

1. Development environment is Ubuntu 15.10 and Go 1.5.2/1.5.3/1.6.
2. Download and install Go and modify GOROOT in Makefile.

3. Install GopherJS and its DOM binding:

   $ make install

4. Run the code by:

   $ make

   Then open your browser at localhost:8000

See project page.

Released in public domain. See UNLICENSE.

Dart:

• dart - Use static variable in function() - Stack Overflow
• String class - dart:core library - Dart API
• events - Respond immediately to textarea changes in Dart - Stack Overflow

TODO: Use selection

• javascript - Get cursor position (in characters) within a text Input field - Stack Overflow
• dart - TextArea cursor position - Stack Overflow
• dart - caret position in an editable div (dartlang) - Stack Overflow
• selection - Setting and getting selectionrange/caret position in contenteditable div element (dart) - Stack Overflow