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SockJS vs Underscore: What are the differences?
Developers describe SockJS as "A WebSocket emulation". It gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication channel between the browser and the web server, with WebSockets or without. On the other hand, Underscore is detailed as "JavaScript's utility _ belt". A JavaScript library that provides a whole mess of useful functional programming helpers without extending any built-in objects.
SockJS and Underscore can be categorized as "Javascript Utilities & Libraries" tools.
SockJS and Underscore are both open source tools. Underscore with 24.7K GitHub stars and 5.41K forks on GitHub appears to be more popular than SockJS with 1.73K GitHub stars and 278 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 SockJS
Pros of Underscore
- Utility85
- Simple55
- Functional programming40
- Fast32
- Open source28
- Backbone20
- Javascript16
- Annotated source code8
- Library6
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What is SockJS?
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