NPM
- Installs and manages code libraries and tools.
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Async Iteration
- Allows awaiting each async task in sequence.
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Package.json
- Describes project name, version, and dependencies.
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Promise.all
- Runs multiple async tasks and continues when all finish.
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Promise.race
- Resolves when any of the promises finishes.
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Async Generator
- Creates data streams that pause for async operations.
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Error Object
- Built-in Error class gives name and message.
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Custom Error
- Create new classes extending Error for special cases.
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Type Coercion
- Automatically changes string ? number in operations.
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