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ES6 vs JSX: What are the differences?
## Introduction
This Markdown code provides a comparison between ES6 (ECMAScript 6) and JSX (JavaScript XML).
1. **Syntax**: ES6 introduces new syntax like arrow functions, classes, and modules, while JSX is a syntax extension for JavaScript that allows developers to write HTML elements and components in their JavaScript files.
2. **Purpose**: ES6 primarily focuses on enhancing the capabilities and readability of JavaScript code, while JSX facilitates the creation of user interfaces in React applications by blending HTML-like syntax with JavaScript logic.
3. **Compatibility**: ES6 code can be run directly by modern browsers with the help of transpilers like Babel, whereas JSX code needs to be compiled into JavaScript using tools like Babel before it can be executed on a browser.
4. **Execution Environment**: ES6 can be used in any JavaScript environment, whereas JSX is mainly used within frameworks like React that support its syntax and enable its interpretation.
5. **Variables**: ES6 introduces let and const keywords for declaring variables with block-level scope, while JSX does not directly impact how variables are declared or scoped within the code.
In Summary, the key differences between ES6 and JSX lie in their syntax, purpose, compatibility, execution environment, and handling of variables.
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.
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.
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).
- Clarification on Readme to the optimize-js
- Some of Nolan thoughts on the virtues of compile-time optimizations can be found in "Parens and Performance" – counterpost
Is it maintaining now? - Unfortunately, no (but feel free to send PR)
Pros of ES6
- ES6 code is shorter than traditional JS109
- Module System Standardized52
- Extremly compact2
- Destructuring Assignment2
Pros of JSX
- Can be used with React1
- Supports React1
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Cons of ES6
- Create Node.js1
- Suffers from baggage1
Cons of JSX
- JSX is a con of React1
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What is ES6?
What is JSX?
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