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Sencha Ext JS VS KnowCSS

Compare Sencha Ext JS VS KnowCSS and see what are their differences

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Sencha Ext JS logo Sencha Ext JS

Sencha Ext JS is the most comprehensive JavaScript framework for building data-intensive, cross-platform web and mobile applications for any modern device. Ext JS includes 140+ pre-integrated and tested high-performance UI components.

KnowCSS logo KnowCSS

The NoCSS Engine. Never create a css file again.
  • Sencha Ext JS Landing page
    Landing page //
    2023-07-24
  • KnowCSS Landing page
    Landing page //
    2023-07-09

Sencha Ext JS features and specs

  • Comprehensive Component Library
    Sencha Ext JS offers a wide range of ready-to-use components including grids, charts, forms, and more, which significantly reduces development time.
  • Robust Data Package
    Provides a powerful data package that allows developers to use standard CRUD operations and easily manage data collections and models.
  • Cross-browser Compatibility
    Ensures consistent appearance and behavior across all major browsers including IE, Firefox, Chrome, Safari, and Opera.
  • MVC/MVVM Architecture
    Supports Model-View-Controller and Model-View-ViewModel architectures, promoting a clean separation of concerns and more maintainable code.
  • Extensive Documentation and Support
    Comes with comprehensive documentation, community forums, and professional support options that help developers quickly resolve issues.
  • Built-in Theming
    Offers a robust theming system that allows easy customization of the look-and-feel to match company branding or specific application requirements.
  • Enterprise-grade Features
    Includes enterprise features like advanced data analytics, pivot grids, and D3 visualizations, making it suitable for complex applications.

Possible disadvantages of Sencha Ext JS

  • Costly Licensing
    Sencha Ext JS is a commercial product with licensing fees, which can be expensive for small businesses and individual developers.
  • Steep Learning Curve
    The framework is feature-rich and complex, meaning that new developers may find it challenging to learn and start using effectively.
  • Large Library Size
    The extensive range of features and components leads to a large library size, which can be a concern for performance and load times.
  • Lower Popularity
    Sencha Ext JS is not as widely used as some other frameworks like React or Angular, resulting in a smaller community and fewer third-party resources.
  • Complex Integration
    Integrating Sencha Ext JS with other modern frameworks or libraries can be complex, requiring more effort to make them work together seamlessly.
  • Limited Flexibility
    Ext JS enforces a particular structure and design philosophy, which might limit flexibility and creativity for developers who prefer a more modular approach.
  • Performance Overhead
    The framework's extensive capabilities and features can sometimes introduce performance overhead, particularly in very high-performance or resource-constrained environments.

KnowCSS features and specs

  • Interactive CSS Learning
    KnowCSS provides an interactive way to learn and practice CSS properties and concepts, making it easier for beginners to understand how CSS works through hands-on experimentation.
  • Quick Reference Tool
    The site serves as a handy quick-reference tool for CSS properties, allowing developers to quickly look up syntax, values, and usage examples without digging through lengthy documentation.
  • Visual Demonstrations
    KnowCSS offers visual demonstrations of CSS properties, helping users see the immediate effect of different CSS values, which accelerates understanding of styling concepts.
  • Free to Use
    The platform is freely accessible, making it a cost-effective resource for students, self-taught developers, and anyone looking to improve their CSS skills without financial commitment.
  • Clean and Simple Interface
    The website features a clean, straightforward interface that is easy to navigate, allowing users to focus on learning CSS without being distracted by cluttered design or excessive advertisements.

Possible disadvantages of KnowCSS

  • Limited Depth of Content
    KnowCSS may not cover advanced CSS topics in sufficient depth, which means experienced developers may find the resource too basic for their needs and would need to supplement with other resources.
  • Limited Community and Support
    Compared to larger platforms like MDN Web Docs or CSS-Tricks, KnowCSS has a smaller community, meaning fewer discussions, forums, or peer support for troubleshooting issues.
  • Narrow Scope
    The site focuses specifically on CSS, so users looking for a comprehensive web development learning platform covering HTML, JavaScript, and other technologies will need to use additional resources.
  • Less Frequently Updated
    Smaller niche tools like KnowCSS may not be updated as frequently as major documentation sites, potentially missing coverage of the latest CSS features and specifications.
  • Limited Real-World Project Examples
    The platform may lack complex, real-world project examples that demonstrate how CSS properties work together in practical scenarios, which can leave a gap between learning individual properties and applying them in production.

Analysis of Sencha Ext JS

Overall verdict

  • Sencha Ext JS is a solid choice for developers needing a feature-rich framework capable of building and maintaining enterprise-level applications. However, it might not be the best fit for those who prefer a more lightweight or modular approach, as it can be more resource-intensive compared to other frameworks.

Why this product is good

  • Sencha Ext JS is a comprehensive JavaScript framework known for its rich set of UI components, making it suitable for building complex web applications.
  • It offers features such as data binding, a powerful layout system, and cross-browser compatibility, which can help speed up development time.
  • Sencha provides extensive documentation and support, which can be invaluable for developers when they encounter issues or need to dive into complex features.
  • The framework has a strong focus on enterprise-grade applications, making it a robust choice for large-scale projects.

Recommended for

  • Enterprise application developers looking for a comprehensive set of components.
  • Development teams that require extensive documentation and support.
  • Projects where a robust, scalable framework is necessary to handle complex UI requirements.

Analysis of KnowCSS

Overall verdict

  • KnowCSS is a lightweight, no-frills CSS framework that helps developers quickly style HTML documents without writing custom CSS or dealing with class-heavy frameworks, making it a decent choice for simple, semantic styling needs, though it lacks the extensive ecosystem, community support, and advanced features of more established frameworks like Bootstrap or Tailwind CSS.

Why this product is good

  • Provides classless or minimal-class styling that works directly on semantic HTML elements
  • Lightweight footprint reduces page load times compared to bulkier frameworks
  • Simple to integrate for quick prototypes or small projects without a steep learning curve
  • Encourages clean, semantic HTML markup rather than div-heavy class-based structures

Recommended for

  • Developers building small to medium-sized websites who want quick styling without writing custom CSS
  • Beginners learning HTML/CSS who want to see immediate visual results with minimal setup
  • Projects prioritizing semantic HTML and minimal class usage
  • Quick prototypes, documentation sites, or internal tools where extensive customization isn't required

Sencha Ext JS videos

LinkRest ย„ Modern RESTful API Framework for Building Ext JS Applications

More videos:

  • Review - Testing Ext JS & Sencha Touch with Siesta
  • Demo - Sencha Ext JS Weekly Product Demo

KnowCSS videos

No KnowCSS videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Sencha Ext JS and KnowCSS)
Javascript UI Libraries
100 100%
0% 0
JavaScript
0 0%
100% 100
JavaScript Framework
100 100%
0% 0
CSS
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Sencha Ext JS and KnowCSS

Sencha Ext JS Reviews

Top JavaScript Frameworks For Mobile App Development
Sencha Touch has now been merged with Sencha Ext JS. Sencha Ext JS has been one of the most effective JavaScript frameworks to create cross-platform mobile applications. It consists of well tested and good performance UI components like pivot grid, trees, lists, forms, HTML5 calendar, D3 adapters, etc. that help in getting the best of results.
Source: medium.com
Top Cross-Platform App Development Frameworks
However, when it comes to integrating 3rd party libraries, Sencha Ext JS acts as a barrier. Also, looking at the price point, Sencha Ext JS is expensive.
Source: www.pangea.ai

KnowCSS Reviews

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What are some alternatives?

When comparing Sencha Ext JS and KnowCSS, you can also consider the following products

AngularJS - AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.

Vue.js - Reactive Components for Modern Web Interfaces

ember.js - A JavaScript framework for creating ambitious web apps

React - A JavaScript library for building user interfaces

Svelte - Cybernetically enhanced web apps

Webix UI - An enterprise JavaScript Library for cross-platform app development with HTML5 JavaScript widgets and easy integration with most popular JavaScript Frameworks.