• Module system styles
• <script>-tag style
• Common problems
• CommonJs: synchronous require
• Pros
• Cons
• Implementations
• AMD: asynchronous require
• Pros
• Cons
• Implementations
• ES6 Modules
• Pros
• Cons
• Unbiased solution
• Transferring
• Chunked transferring
• Why only JavaScript?
• Static analysis
• Strategy