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ES6 vs Lodash: What are the differences?

Comparison between ES6 and Lodash

ES6 and Lodash are both JavaScript libraries that provide additional functionality and features to the language. While ES6 is a major update to the language itself, Lodash is a utility library that enhances the programming experience. Here are the key differences between ES6 and Lodash:

  1. Syntax Convenience: ES6 introduces numerous syntax enhancements such as arrow functions, template literals, and destructuring assignment. These features allow developers to write cleaner and more expressive code. Lodash, on the other hand, provides utility functions for common programming tasks like array manipulation, object manipulation, and data transformation. It simplifies complex operations and helps increase productivity.

  2. Modularity: ES6 introduces the concept of modules which allows developers to split their code into separate files and import/export functions, classes, or variables between them. This promotes code reusability, maintainability, and scalability. Lodash, on the other hand, provides a collection of stand-alone utility functions which can be imported and used individually. This modular approach allows developers to include only the functions that are required, minimizing the bundle size and improving performance.

  3. Array and Object Manipulation: ES6 introduces new methods for arrays and objects such as map, reduce, and find which make common operations more concise and readable. Lodash provides a rich set of functions for array and object manipulation including functions like filter, groupBy, and merge. These functions offer additional functionality and are often more performant compared to their native counterparts.

  4. Functional Programming: ES6 introduces a number of features that support functional programming paradigms. This includes features like arrow functions, higher-order functions, and support for currying. Lodash embraces functional programming principles and provides a set of functions that are designed to be used in a functional programming style. These functions are often chainable and allow for a more declarative and expressive coding style.

  5. Compatibility and Polyfills: ES6 introduces new language features that are not supported in older browsers. To ensure compatibility, developers would require transpilers like Babel to convert ES6 code into ES5 code that can run on most browsers. Lodash, on the other hand, provides code that is compatible with older versions of JavaScript and can run on a wide range of browsers without the need for polyfills or transpilation.

  6. Community Support and Resources: ES6 is a part of the JavaScript language itself and has extensive community support. There are numerous online resources, tutorials, and documentation available for ES6. Lodash also has a large and active community with a wide range of resources available including documentation, examples, and community-driven plugins.

In summary, while ES6 enhances the language itself with new syntax and features, Lodash provides a set of utility functions that simplify common programming tasks. ES6 focuses on improving the core language, while Lodash provides more specialized functionality and promotes code reuse and productivity.

Decisions about ES6 and Lodash
Amir Mousavi

This post is a bit of an obvious one, as we have a web application, we obviously need to have HTML and CSS in our stack. Though specifically though, we can talk a bit about backward compatibility and the specific approaches we want to enforce in our codebase.

HTML : Not much explanation here, you have to interact with HTML for a web app. We will stick to the latest standard: HTML 5.

CSS: Again if we want to style any of our components within he web, we have to use to style it. Though we will be taking advantage of JSS in our code base and try to minimize the # of CSS stylesheets and include all our styling within the components themselves. This leaves the codebase much cleaner and makes it easier to find styles!

Babel: We understand that not every browser is able to support the cool new features of the latest node/JS features (such as redue, filter, etc) seen in ES6. We will make sure to have the correct Babel configuration o make our application backward compatible.

Material UI (MUI): We need to make our user interface as intuitive and pretty as possible within his MVP, and the UI framework used by Google will provide us with exactly that. MUI provides pretty much all the UI components you would need and allows heavy customization as well. Its vast # of demos will allow us to add components quickly and not get too hung up on making UI components.

We will be using the latest version of create-react-app which bundles most of the above along many necessary frameworks (e.g. Jest for testing) to get started quickly.

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For our front-end, React is chosen because it is easy to develop with due to its reusable components and state functions, in addition to a lot of community support. Because React is popular, it would be easy to hire for it here at our company MusiCore. Our team also has experience with React already. React can be written with ES6 and ES6 has a lot of popularity and versatility when it comes to creating classes and efficient functions. Node.js will be used as a runtime environment to compile the code. Node.js also has many different types of open-source packages that can help automate some of the tasks we want to do for the application. CSS 3 will be used to style components and is the standard for that.

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Aleksandr Filatov
Contract Software Engineer - Microsoft · | 3 upvotes · 207.2K views
How to make your JS code faster just adding some parenthesis?

Optimize-js I will not describe this tool a lot here, because it's already good done by author on github

I just want to mention that this tool wrap up all immediately-invoked functions or likely-to-be-invoked functions in parentheses what is do a great optimization a JavaScript file for faster initial execution and parsing (based on my experience).

The performance of application where I've introduced optimize-js improved on 20% in a common (tested in Chrome and IE11).

Why it happens?

Is it maintaining now? - Unfortunately, no (but feel free to send PR)

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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.

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Pros of ES6
Pros of Lodash
  • 109
    ES6 code is shorter than traditional JS
  • 52
    Module System Standardized
  • 2
    Extremly compact
  • 2
    Destructuring Assignment
  • 2
    Better than Underscore
  • 1
  • 0
    Better that Underscore

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Cons of ES6
Cons of Lodash
  • 1
    Suffers from baggage
  • 1
    It reduce the performance

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- No public GitHub repository available -

What is ES6?

Goals for ECMAScript 2015 include providing better support for large applications, library creation, and for use of ECMAScript as a compilation target for other languages. Some of its major enhancements include modules, class declarations, lexical block scoping, iterators and generators, promises for asynchronous programming, destructuring patterns, and proper tail calls.

What is Lodash?

A JavaScript utility library delivering consistency, modularity, performance, & extras. It provides utility functions for common programming tasks using the functional programming paradigm.

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What companies use ES6?
What companies use Lodash?
See which teams inside your own company are using ES6 or Lodash.
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What are some alternatives to ES6 and Lodash?
JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
It adds syntactic sugar inspired by Ruby, Python and Haskell in an effort to enhance JavaScript's brevity and readability. Specific additional features include list comprehension and de-structuring assignment.
TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
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