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Preact.js VS elec calc

Compare Preact.js VS elec calc and see what are their differences

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Preact.js logo Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.

elec calc logo elec calc

Electriciy bill cost calculator. Electricity usage/consumption calculator.
  • Preact.js Landing page
    Landing page //
    2023-05-11
  • elec calc Landing page
    Landing page //
    2022-12-10

Preact.js features and specs

  • Size
    Preact is very small in size (about 3KB gzipped), which makes it easy to load and faster to execute, resulting in improved performance and quicker load times.
  • Compatibility
    Preact is largely compatible with React, allowing developers to switch to Preact with minimal code changes. This makes it easier to adopt for projects already using React.
  • Performance
    Due to its small size and efficient design, Preact offers excellent performance, especially on low-powered devices and in applications with heavy user interactions.
  • Ecosystem
    Preact can work with many tools and libraries that are designed for React, giving developers access to a rich ecosystem of resources.
  • Community
    Preact has an active and growing community that provides support, plugins, and third-party tools, making it easier for developers to find solutions and share knowledge.

Possible disadvantages of Preact.js

  • Feature Set
    While Preact covers most of the core React features, it lacks some of the advanced functionality present in React, which may require additional workarounds or third-party libraries.
  • Learning Curve
    For developers coming from a non-React background, learning Preact might involve a learning curve, particularly because of its similarities and subtle differences with React.
  • Tooling Compatibility
    Although many tools designed for React can work with Preact, some might not be directly compatible, requiring additional configuration or patches.
  • Community Size
    While Preact has a supportive community, it is smaller compared to the massive React community, which can result in fewer available resources and third-party packages.
  • Maturity
    Preact, being newer and less widely adopted than React, might not have the same level of battle-tested reliability for all use cases, especially for large scale applications.

elec calc features and specs

  • User-Friendly Interface
    The calculator features a straightforward and easy-to-use interface that allows users to input values and obtain results quickly without requiring advanced technical knowledge.
  • Comprehensive Calculations
    It provides a wide range of electrical calculations including power, current, and voltage, making it suitable for various electrical engineering needs.
  • Accessibility
    Being an online tool, it is accessible from any device with internet connectivity, allowing users to perform calculations anytime and anywhere.
  • Free of Cost
    The electric calculator is available for use at no charge, which makes it an economical choice for students and professionals alike.

Possible disadvantages of elec calc

  • Limited Features
    Compared to dedicated software applications, this online calculator lacks advanced features and functionalities needed for complex electrical engineering projects.
  • Internet Dependence
    Since it is an online tool, users need a stable internet connection to access the calculator, which might not be feasible in all situations.
  • No Customization
    The tool does not offer options for customizing calculations or settings, limiting its flexibility for specialized tasks.
  • Potential for Inaccuracy
    As with any online calculator, there is a potential for calculation errors, especially if the input data is incorrect or misunderstood.

Analysis of Preact.js

Overall verdict

  • Preact.js is a strong option for projects where performance and load time are critical, or where a light footprint is necessary. Its compatibility with React makes it a flexible and efficient alternative in scenarios where React may be overkill due to its larger size.

Why this product is good

  • Preact.js is known for its small size and high performance, making it an excellent choice for developers who need a lightweight alternative to React without sacrificing functionality. It offers a familiar API for React developers, ensuring an easy transition, and is highly efficient in terms of rendering performance. Preact also offers excellent compatibility with existing React tools and ecosystems, meaning many React packages work seamlessly with Preact.

Recommended for

    Preact.js is recommended for developers building applications with stringent performance requirements, those needing to optimize for fast loading times in environments with limited bandwidth or resources, or those looking to integrate React-like architecture in smaller projects without introducing the full weight of the React library.

Preact.js videos

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Category Popularity

0-100% (relative to Preact.js and elec calc)

Preact.js

elec calc

Javascript UI Libraries
100 100%
Javascript UI Libraries
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Project Management
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Project Management
100% 100
JavaScript Framework
100 100%
JavaScript Framework
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Business & Commerce
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Business & Commerce
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 Preact.js and elec calc

Preact.js Reviews

Top JavaScript Frameworks in 2025
PreactJS is a JavaScript library that is said to be the fast 3Kb alternative to ReactJS using the same modern API. It implements the fastest virtual DOM compared to other frameworks in the market. Moreover, it is one of the smallest libraries in terms of size.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Preact is like React’s little sibling, smaller in size but with the same familiar moves. It’s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in perfectly.
Source: tms-outsource.com
20 Best JavaScript Frameworks For 2023
Preact is built with the same core principle of React – A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance, and leaner size. In instances where the full potential of React isn’t necessary, most developers even use React during development and switch to Preact for...
Source: www.lambdatest.com
Top 15 jQuery Alternatives To Know
ReactJS is a powerful JavaScript library to create user interfaces. Developers can design easy views at each stage in the application and there is regular update and rendering for the actual components whenever there is any data alteration. It is component-driven and creates encapsulated components that manage their own state.
Source: www.spec-india.com
Top 5 JavaScript Frameworks To Learn in 2021
But according to the graph above, we can notice a decrease in interest in Preact. This might result from having many similar frameworks with the same specs, like react-lite, Inferno, etc. However, knowing a framework like Preact will be useful for your development journey.
Source: enlear.academy

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Social recommendations and mentions

Based on our record, Preact.js seems to be more popular. It has been mentiond 93 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Preact.js mentions (93)

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elec calc mentions (0)

We have not tracked any mentions of elec calc yet. Tracking of elec calc recommendations started around Mar 2021.

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