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Underscore vs Bluebird: What are the differences?
Underscore: JavaScript's utility _ belt. A JavaScript library that provides a whole mess of useful functional programming helpers without extending any built-in objects; Bluebird: A full featured promise library with unmatched performance. It is a fully-featured promise library with a focus on innovative features and performance.
Underscore and Bluebird belong to "Javascript Utilities & Libraries" category of the tech stack.
Underscore and Bluebird are both open source tools. Underscore with 25.3K GitHub stars and 5.51K forks on GitHub appears to be more popular than Bluebird with 19.1K GitHub stars and 2.34K GitHub forks.
Fast Healthcare Interoperability Resources (FHIR) provides standard data objects in JSON format for the healthcare industry. Since JSON objects are hierarchical and tree-like, we had a need to defensively 'pluck' fields from our JSON objects and do lots of mapping. We tried jQuery and Underscore and a few other technologies like FHIRPath; but Lodash has been the most well supported, works in the most contexts, has the cleanest syntax, etc. We particularly like the ES6 version of Lodash, where we can import
the method names directly, without resorting to * or _ syntax. We got hooked on the 'get' function to defensively pluck fields from objects without crashing our user interface, and have found countless uses for the other lodash functions throughout our apps.
Lodash is great for developing and optimizing algorithms.
Pros of Bluebird
Pros of Underscore
- Utility85
- Simple55
- Functional programming40
- Fast32
- Open source28
- Backbone20
- Javascript16
- Annotated source code8
- Library6