• Extension API Guidelines
• Breakage
• Namespaces
• JavaScript
• Global Events
• Private Events
• Event naming
• Creating Objects
• Shy Objects
• Sync vs. Async
• Data Driven
• Enrich Data Incrementally
• Cancellation
• Objects vs. Interfaces
• Strict and Relaxed Data
• Validate Data
• Copy Data
• Enums
• Strict Null
• Undefined is False
• JSDOC
• Optional parameters (? vs | undefined)
• Optional properties (? vs | undefined)