Zero-dependency code editor — configure every option, try all features interactively.
Theme
Language & Layout
Any monospace font available in the browser
Appearance
Set to 9999 to disable blinking
Features
Token Colors
Override individual syntax token colours. Leave blank to use the theme default.
Keyword
String
Comment
Function
Number
Class
Operator
Type
Decorator
Behavior
Set to { } to disable all auto-closing
Consecutive keystrokes within this window are grouped into one undo step
Autocomplete Customization
Return a HoverDoc or null
Actions
Event Log
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