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JavaScript vs Metacode: What are the differences?

JavaScript: Lightweight, interpreted, object-oriented language with first-class functions. 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; Metacode: The fastest way to navigate and understand code. It is an advanced code filtering tool. Filter your codebase with automatically detected keywords. Avoid clicking through files to inspect each match. Results show their surrounding code, all on one page.

JavaScript can be classified as a tool in the "Languages" category, while Metacode is grouped under "Code Search".

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- No public GitHub repository available -

What is JavaScript?

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.

What is Metacode?

It is an advanced code filtering tool. Filter your codebase with automatically detected keywords. Avoid clicking through files to inspect each match. Results show their surrounding code, all on one page.
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Why do developers choose JavaScript?
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        What are some alternatives to JavaScript and Metacode?
        TypeScript
        TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
        Node.js
        Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
        Dart
        Dart is a cohesive, scalable platform for building apps that run on the web (where you can use Polymer) or on servers (such as with Google Cloud Platform). Use the Dart language, libraries, and tools to write anything from simple scripts to full-featured apps.
        CoffeeScript
        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.
        Java
        Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!
        See all alternatives
        Decisions about JavaScript and Metacode
        Sparker73
        Sparker73
        Frontend Developer · | 6 upvotes · 22.3K views
        PHP
        PHP
        .NET
        .NET
        JavaScript
        JavaScript
        Node.js
        Node.js

        Node.js is my choice because it uses very few resources to run and it is capable to handle tons of connections simultaneously. Most developers already know JavaScript, the evolution of ECMAScript is immediately reflected to Node.js and all you have to do is update your Server's Node.js version without time and effort. Thousands of improvements that makes it very powerful especially in asynchronous programming. The web is full of courses, dev communities, free sample code, plunkers and many knowledge sources on Node.js that facilitates the learning curve. What else we can ask from a legendary language that is still evolving? I am learning Node.js by developing a simple REST WebAPI and using it as a playground to test situations in which the main objective is to challenge Node.js and compare results and performance with .NET implementations and certain well known fast PHP implementations. Until now the results are astonishing. Summarizing: Node.js for backend is so far (in my opinion) the most recommended solution to get positive achievements in size, speed, power, concurrency, scalability, deployment and running costs.

        See more
        Zach Holman
        Zach Holman
        JavaScript
        JavaScript
        Rails
        Rails
        Apollo
        Apollo
        React
        React

        Oof. I have truly hated JavaScript for a long time. Like, for over twenty years now. Like, since the Clinton administration. It's always been a nightmare to deal with all of the aspects of that silly language.

        But wowza, things have changed. Tooling is just way, way better. I'm primarily web-oriented, and using React and Apollo together the past few years really opened my eyes to building rich apps. And I deeply apologize for using the phrase rich apps; I don't think I've ever said such Enterprisey words before.

        But yeah, things are different now. I still love Rails, and still use it for a lot of apps I build. But it's that silly rich apps phrase that's the problem. Users have way more comprehensive expectations than they did even five years ago, and the JS community does a good job at building tools and tech that tackle the problems of making heavy, complicated UI and frontend work.

        Obviously there's a lot of things happening here, so just saying "JavaScript isn't terrible" might encompass a huge amount of libraries and frameworks. But if you're like me, yeah, give things another shot- I'm somehow not hating on JavaScript anymore and... gulp... I kinda love it.

        See more
        ES6
        ES6
        JavaScript
        JavaScript
        Socket.IO
        Socket.IO
        Redis
        Redis
        MongoDB
        MongoDB
        HTML5
        HTML5
        FeathersJS
        FeathersJS
        Redux
        Redux
        React
        React

        I have always been interested in building a real-time multiplayer game engine that could be massively scalable, and recently I decided to start working on a MMO version of the classic "snake" game. I wanted the entire #Stack to be based on ES6 JavaScript so for the #Backend I chose to use FeathersJS with MongoDB for game/user data storage, Redis for distributed mutex and pub/sub, and Socket.IO for real-time communication. For the #Frontend I used React with Redux.js, the FeathersJS client as well as HTML5 canvas to render the view.

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        Nicholas Rogoff
        Nicholas Rogoff
        at Avanade UK Ltd. · | 7 upvotes · 50.4K views
        atNHS Digital (NHS.UK)NHS Digital (NHS.UK)
        Visual Studio
        Visual Studio
        Visual Studio Code
        Visual Studio Code
        Newman
        Newman
        Postman
        Postman
        Azure DevOps
        Azure DevOps
        Git
        Git
        jQuery
        jQuery
        JavaScript
        JavaScript
        Microsoft SQL Server
        Microsoft SQL Server
        C#
        C#
        .NET Core
        .NET Core

        Secure Membership Web API backed by SQL Server. This is the backing API to store additional profile and complex membership metadata outside of an Azure AD B2C provider. The front-end using the Azure AD B2C to allow 3rd party trusted identity providers to authenticate. This API provides a way to add and manage more complex permission structures than can easily be maintained in Azure AD.

        We have .Net developers and an Azure infrastructure environment using server-less functions, logic apps and SaaS where ever possible. For this service I opted to keep it as a classic WebAPI project and deployed to AppService.

        • Trusted Authentication Provider: @AzureActiveDirectoryB2C
        • Frameworks: .NET Core
        • Language: C# , Microsoft SQL Server , JavaScript
        • IDEs: Visual Studio Code , Visual Studio
        • Libraries: jQuery @EntityFramework, @AutoMapper, @FeatureToggle , @Swashbuckle
        • Database: @SqlAzure
        • Source Control: Git
        • Build and Release Pipelines: Azure DevOps
        • Test tools: Postman , Newman
        • Test framework: @nUnit, @moq
        • Infrastructure: @AzureAppService, @AzureAPIManagement
        See more
        Tom Klein
        Tom Klein
        CEO at Gentlent · | 4 upvotes · 24.5K views
        atGentlentGentlent
        Python
        Python
        Electron
        Electron
        Socket.IO
        Socket.IO
        Google Compute Engine
        Google Compute Engine
        TypeScript
        TypeScript
        ES6
        ES6
        Ubuntu
        Ubuntu
        PostgreSQL
        PostgreSQL
        React
        React
        nginx
        nginx
        Sass
        Sass
        HTML5
        HTML5
        PHP
        PHP
        Node.js
        Node.js
        JavaScript
        JavaScript

        Our most used programming languages are JavaScript / Node.js for it's lightweight and fast use, PHP because everyone knows it, HTML5 because you can't live without it and Sass to write great CSS. Occasionally, we use nginx as a web server and proxy, React for our UX, PostgreSQL as fast relational database, Ubuntu as server OS, ES6 and TypeScript for Node, Google Compute Engine for our infrastructure, and Socket.IO and Electron for specific use cases. We also use Python for some of our backends.

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        Osamah Aldoaiss
        Osamah Aldoaiss
        UI Engineer | Maker at Triad Apparel Inc. · | 6 upvotes · 10K views
        atTriad Apparel Inc.Triad Apparel Inc.
        JavaScript
        JavaScript
        ES6
        ES6
        Node.js
        Node.js
        GraphQL
        GraphQL
        React
        React
        Lighthouse
        Lighthouse
        Gatsby
        Gatsby

        Gatsby has been at the core of our Shop system since day one. It gives its User the power to create fast and performant sites out-of-the-box. You barely have to do anything to get great Lighthouse results. And it all runs on ES6 JavaScript.

        The power of SSR React and then hydrating it client-side to add interactivity and App-like feel is what makes Gatsby powerful.

        It comes with a ton of plugins, that are mind-boggling: Image Processing, GraphQL, Node.js, and so much more. This is thanks to a great ecosystem, a great user-base and the revolutionary Community work, which led to the Gatsby repo to be one of the most committed to, out there.

        See more
        Nicolas Theck
        Nicolas Theck
        Student at RocketPlay · | 3 upvotes · 19.2K views
        atRocketPlayRocketPlay
        HTML5
        HTML5
        Twilio SendGrid
        Twilio SendGrid
        Node.js
        Node.js
        OVH
        OVH
        PM2
        PM2
        JSON Web Token
        JSON Web Token
        PostgreSQL
        PostgreSQL
        Sequelize
        Sequelize
        ExpressJS
        ExpressJS
        CloudFlare
        CloudFlare
        nginx
        nginx
        npm
        npm
        Ubuntu
        Ubuntu
        GitLab CI
        GitLab CI
        GitLab
        GitLab
        Webpack
        Webpack
        Vue.js
        Vue.js
        JavaScript
        JavaScript
        #Ns
        #Passport
        #Pulsejs
        #Backend
        #Frontend

        We use JavaScript in both our #Frontend and #Backend. Front-End wise, we're using tools like Vue.js , Webpack (for dev & building), pulsejs . For delivering the content, we push to GitLab & use GitLab CI (running on our own Ubuntu machine) to install (with npm) our packages, build the app trough Webpack and finally push it to our nginx server via a folder. From there, use accessing the website will get cached content thanks to CloudFlare. Back-End wise, we again use JavaScript with tools such as ExpressJS (http server), Sequelize (database, server running on PostgreSQL ) but also JSON Web Token with passport to authenticate our users. Same process used in front-end is used for back-end, we just copy files to a dist where PM2 watches for any change made to the Node.js app. Traffic doesn't go trough CloudFlare for upload process reasons but our nginx reverse proxy handles the request (which do go trough CloudFlare SSL-wise, since we're using their ns servers with our OVH domain.) Other utils we use are SendGrid for email sending & obviously HTML5 for the base Vue.js app. I hope this article will tell you more about the Tech we use here at RocketPlay :p

        See more
        Gustavo Muñoz
        Gustavo Muñoz
        Web UI Developer at Globant · | 6 upvotes · 20.7K views
        JavaScript
        JavaScript
        Visual Studio Code
        Visual Studio Code
        Android Studio
        Android Studio
        Dart
        Dart
        React Native
        React Native
        React
        React
        Flutter
        Flutter
        #Flare

        In my modest opinion, Flutter is the future of mobile development. The framework is as important to mobile as React is to the web. And seeing that React Native does not finish taking off, I am focusing all my efforts on learning Flutter and Dart. The ecosystem is amazing. The community is crazy about Flutter. There are enough resources to learn and enjoy the framework, and the tools developed to work with it are amazing. Android Studio or Visual Studio Code has incredible plugins and Dart is a pretty straight forward and easy-to-learn language, even more, if you came from JavaScript. I admit it. I'm in love with Flutter. When you are not a designer, having a framework focused on design an pretty things is a must. And counting with tools like #flare for animations makes everything easier. It is so amazing that I wish I had a big mobile project right now at work just to use Flutter.

        See more
        Gustavo Muñoz
        Gustavo Muñoz
        Web UI Developer at Globant · | 2 upvotes · 4.9K views
        CoffeeScript
        CoffeeScript
        JavaScript
        JavaScript
        Flow (JS)
        Flow (JS)
        React
        React
        TypeScript
        TypeScript
        Angular 2
        Angular 2
        #ECMA
        #Angular

        Long ago when Angular 2 evolved I had to decide between the new #Angular and TypeScript or React. I really love typing my code, but forced to use TypeScript was a bit too much. I prefer the new #ECMA standard and the evolution of the old and reliable JavaScript. So finding Flow (JS) was an incredible milestone in my career as a developer. Finally, I could use types in my code, and JavaScript with the new standard. I already had the experience of CoffeeScript, so TypeScript was not an option.

        See more
        Pedro Arnal Puente
        Pedro Arnal Puente
        CTO at La Cupula Music SL · | 8 upvotes · 10.5K views
        atLa Cupula Music SLLa Cupula Music SL
        JavaScript
        JavaScript
        ES6
        ES6
        Babel
        Babel
        ESLint
        ESLint
        Webpack
        Webpack
        Vue.js
        Vue.js
        jQuery UI
        jQuery UI
        jQuery
        jQuery

        We are phasing out jQuery and jQuery UI in favour or Vue.js and @Vue-cli so we can support building a modern, well-architectured frontend.

        The JavaScript build pipeline is supported by Webpack , and includes tools like ESLint and Babel , so we can properly support the latest ES/JS versions, with ES6 as the minimum baseline.

        See more
        Tassanai Singprom
        Tassanai Singprom
        Slack
        Slack
        BrowserStack
        BrowserStack
        Sentry
        Sentry
        Kibana
        Kibana
        Visual Studio Code
        Visual Studio Code
        npm
        npm
        GitLab
        GitLab
        GitHub
        GitHub
        Git
        Git
        Elasticsearch
        Elasticsearch
        Postman
        Postman
        Google Analytics
        Google Analytics
        MariaDB
        MariaDB
        GraphQL
        GraphQL
        Amazon RDS
        Amazon RDS
        Lumen
        Lumen
        Laravel
        Laravel
        Firebase
        Firebase
        Vue.js
        Vue.js
        Sass
        Sass
        Ubuntu
        Ubuntu
        Amazon EC2
        Amazon EC2
        Redis
        Redis
        jQuery
        jQuery
        HTML5
        HTML5
        PHP
        PHP
        JavaScript
        JavaScript

        This is my stack in Application & Data

        JavaScript PHP HTML5 jQuery Redis Amazon EC2 Ubuntu Sass Vue.js Firebase Laravel Lumen Amazon RDS GraphQL MariaDB

        My Utilities Tools

        Google Analytics Postman Elasticsearch

        My Devops Tools

        Git GitHub GitLab npm Visual Studio Code Kibana Sentry BrowserStack

        My Business Tools

        Slack

        See more
        Flow (JS)
        Flow (JS)
        JavaScript
        JavaScript
        CoffeeScript
        CoffeeScript
        TypeScript
        TypeScript

        From a StackShare community member: "We are looking to rewrite our outdated front-end with TypeScript. Right now we have a mix of CoffeeScript and vanilla JavaScript. I have read that adopting TypeScript can help enforce better code quality, and best practices. I also heard good things about Flow (JS). Which one would you recommend and why?"

        See more
        PubNub
        PubNub
        asyncio
        asyncio
        JavaScript
        JavaScript
        Python
        Python

        I love Python and JavaScript . You can do the same JavaScript async operations in Python by using asyncio. This is particularly useful when you need to do socket programming in Python. With streaming sockets, data can be sent or received at any time. In case your Python program is in the middle of executing some code, other threads can handle the new socket data. Libraries like asyncio implement multiple threads, so your Python program can work in an asynchronous fashion. PubNub makes bi-directional data streaming between devices even easier.

        See more
        Ali Soueidan
        Ali Soueidan
        Creative Web Developer at Ali Soueidan · | 16 upvotes · 46.2K views
        npm
        npm
        Babel
        Babel
        PHP
        PHP
        Adobe Illustrator
        Adobe Illustrator
        Asana
        Asana
        ES6
        ES6
        GitHub
        GitHub
        Git
        Git
        JSON
        JSON
        Sass
        Sass
        Pug
        Pug
        JavaScript
        JavaScript
        vuex
        vuex
        Vue.js
        Vue.js

        Application and Data: Since my personal website ( https://alisoueidan.com ) is a SPA I've chosen to use Vue.js, as a framework to create it. After a short skeptical phase I immediately felt in love with the single file component concept! I also used vuex for state management, which makes working with several components, which are communicating with each other even more fun and convenient to use. Of course, using Vue requires using JavaScript as well, since it is the basis of it.

        For markup and style, I used Pug and Sass, since they’re the perfect match to me. I love the clean and strict syntax of both of them and even more that their structure is almost similar. Also, both of them come with an expanded functionality such as mixins, loops and so on related to their “siblings” (HTML and CSS). Both of them require nesting and prevent untidy code, which can be a huge advantage when working in teams. I used JSON to store data (since the data quantity on my website is moderate) – JSON works also good in combo with Pug, using for loops, based on the JSON Objects for example.

        To send my contact form I used PHP, since sending emails using PHP is still relatively convenient, simple and easy done.

        DevOps: Of course, I used Git to do my version management (which I even do in smaller projects like my website just have an additional backup of my code). On top of that I used GitHub since it now supports private repository for free accounts (which I am using for my own). I use Babel to use ES6 functionality such as arrow functions and so on, and still don’t losing cross browser compatibility.

        Side note: I used npm for package management. 🎉

        *Business Tools: * I use Asana to organize my project. This is a big advantage to me, even if I work alone, since “private” projects can get interrupted for some time. By using Asana I still know (even after month of not touching a project) what I’ve done, on which task I was at last working on and what still is to do. Working in Teams (for enterprise I’d take on Jira instead) of course Asana is a Tool which I really love to use as well. All the graphics on my website are SVG which I have created with Adobe Illustrator and adjusted within the SVG code or by using JavaScript or CSS (SASS).

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        Helio Junior
        Helio Junior
        CSS 3
        CSS 3
        JavaScript
        JavaScript
        Python
        Python
        #Electron
        #NodeJS
        #UXdesign
        #DataScience

        Python is a excellent tool for #DataScience , but up to now is very poor in #uxdesign . To do some design I'm using JavaScript and #nodejs , #electron stack. The possibility of use CSS 3 to draw interfaces is very awesome and fast. Unfortunatelly Python don't have (yet) a good way to make a #UXdesign .

        See more
        Interest over time
        Reviews of JavaScript and Metacode
        Review ofJavaScriptJavaScript

        excellent!!

        How developers use JavaScript and Metacode
        Avatar of Andrew Faulkner
        Andrew Faulkner uses JavaScriptJavaScript

        Almost the entire app was written in Javascript, with JSON-based configuration and data storage. The following components were written and/or configured with Javascript:

        • Most server-side scripts, all unit tests, all build tools, etc. were driven by NodeJS.
        • ExpressJS served as the 'backend' server framework.
        • MongoDB (which stores essential JSON) was the main database.
        • MongooseJS was used as the main ORM for communicating with the database, with KnexJS used for certain edge cases.
        • MochaJS, ChaiJS, and ExpectJS were used for unit testing.
        • Frontend builds were done with Gulp and Webpack.
        • Package management was done primarily with npm - with a few exceptions that required the use of Bower (also configured with JSON).
        • "Templating" was done with Javascript dialect JSX.
        • The frontend was build primarily with ReactJS (as the View) and Redux (as the Controller / Store / frontend model).
        • Configuration was done with json files.

        The only notable exceptions were the use of SCSS (augmented by Compass) for styling, Bash for a few basic 'system chores' and CLI utilities required for development of the app (most notably git and heroku's CLI interface), and a bit of custom SQL for locations where the ORM extractions leaked (the app is DB-agnostic, but a bit of SQL was required to fill gaps in the ORMs when interfacing with Postgres).

        Avatar of OutSystems
        OutSystems uses JavaScriptJavaScript

        Read more on how to extend the OutSystems UI with Javascript here.

        OutSystems provides a very simple to use AJAX mechanism. However, developers can also use JavaScript extensively to customize how users interact with their applications, to create client side custom validations and dynamic behaviors, or even to create custom, very specific, AJAX interactions. For example, each application can have an application-wide defined JavaScript file or set of files included in resources. Page-specific JavaScript can also be defined.

        Avatar of Gorka Llona
        Gorka Llona uses JavaScriptJavaScript

        This GNU/GPL licensed Javascript library allows you to draw complex organizational charts that can't be drawn using Google's tool or equivalents. Orgchart structures are specified with JSON and can be generated on-the-fly by server-side scripts and databases. Events can be attached to clicks over the boxes. Multiple options can be defined; look at the repo for examples. This 1300-code-lines software component with contributors from 8 countries (and others for which I have to integrate their works) appears in the first page of Google Search results when searching for "Javascript Organizational Chart Library".

        Avatar of Cloudcraft
        Cloudcraft uses JavaScriptJavaScript

        JavaScript gets a bad rep, quite undeservedly so in my opinion. Today, JS is closer to functional languages than to the traditional-OO languages, and when used as such provides a great development experience. The pace of development is just picking up with transpilers like Babel making future advanced language features available to the masses today. At Cloudcraft.co, we write 100% of both the front-end (with React) and the backend (with Node.js) in Javascript, using the latest ES6 and even some ES7 features. This is not your grandfather's Javascript!

        Avatar of MOKA Analytics
        MOKA Analytics uses JavaScriptJavaScript

        The application front-end is written in JavaScript (ES6). We originally selected it over TypeScript because many library typings at the time were still flaky and the transpilation time was slow.

        We are now re-considering TypeScript because 1) the tooling has improved significantly, and 2) and the root cause of the majority of our front-end bugs are related to typing (despite having PropTypes).

        How much does JavaScript cost?
        How much does Metacode cost?
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