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| Metric | Node.js | Deno | Jan |
|---|---|---|---|
| Score | B-65 | C+64 | F34 |
| Type | Language | Language | |
| Execution | jit | jit | hybrid |
| Interface | cli | cli | gui |
| Cold Start | 50ms | 20ms | 2000ms |
| Memory | 40MB | 35MB | 600MB |
| Startup | 20ms | 15ms | 400ms |
| Isolation | process | process | process |
| Maturity | production | stable | stable |
| Languages | JavaScript, TypeScript | JavaScript, TypeScript, WebAssembly | TypeScript, Python |
| License | MIT | MIT | AGPL-3.0 |
| Links |