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Learn Framework7 - 5 Code Examples & CST Typing Practice Test

Onsen UI is an open-source framework for building hybrid and mobile web apps using HTML5, CSS, and JavaScript. It provides ready-to-use UI components optimized for iOS and Android, supporting frameworks like Angular, React, and Vue.

View all 5 Framework7 code examples →
Framework7 Simple Todo AppFramework7 Counter AppFramework7 Step CounterFramework7 Multi CounterFramework7 Dark Mode Counter

Learn FRAMEWORK7 with Real Code Examples

Updated Nov 23, 2025

Explain

Onsen UI offers mobile-optimized UI components that adapt to platform-specific design guidelines.

It works with popular frameworks including Angular, React, and Vue, or with plain JavaScript.

Ideal for developers building hybrid apps with a single codebase for multiple mobile platforms.

Core Features

Prebuilt UI components: buttons, lists, tabs, dialogs, and more

Flexible layout system using CSS and Grid/Flexbox

Page navigation with push/pop transitions

Automatic platform styling for iOS and Android

Integration with Cordova/Capacitor plugins

Basic Concepts Overview

Pages are defined using `<ons-page>` elements

Navigation is handled via `<ons-navigator>` or router integration

Use `<ons-button>`, `<ons-list>`, `<ons-tabbar>` for standard UI components

Platform-specific styling handled automatically

Components are framework-agnostic or have framework bindings

Project Structure

src/ - main source code including pages and components

index.html - entry point for web/hybrid apps

package.json - dependencies and scripts

node_modules/ - installed packages

www/ - Cordova/Capacitor output for mobile deployment

Building Workflow

Initialize project with framework CLI or Monaca CLI

Create pages using Onsen UI components

Integrate navigation with `<ons-navigator>` or routing library

Apply CSS themes and platform-specific styling

Test app in browser and mobile devices

Difficulty Use Cases

Beginner: simple hybrid mobile UI

Intermediate: multi-page navigation and routing

Advanced: integrating native device features via Cordova/Capacitor

Expert: custom animations and platform-specific styling

Community: creating custom components or contributing to Onsen UI

Comparisons

Onsen UI vs React Native: Onsen is hybrid/web-based, React Native is fully native

Onsen UI vs Flutter: Onsen uses web technologies, Flutter uses Dart and native rendering

Onsen UI vs Ionic: Both hybrid, Onsen UI focuses on minimalism and platform-adaptive UI

Onsen UI emphasizes simplicity and quick prototyping

Performance slightly lower than fully native solutions

Versioning Timeline

2013 - Initial release by Asial Corporation

2014-2015 - Gained popularity in hybrid app development

2016-2018 - Added Angular, React, Vue bindings

2019-2021 - Performance and theme improvements

2022-2025 - Continued updates and community contributions

Glossary

Onsen UI: hybrid/mobile UI framework

Pages: screens in Onsen apps

Navigator: handles page stack and transitions

Platform-adaptive: automatically styles components for iOS/Android

Cordova/Capacitor: plugins for native functionality

Installation Setup

Install Node.js and npm/yarn

Install Onsen UI via npm (`npm install onsenui`) or include CDN

If using a framework, install corresponding bindings (e.g., `react-onsenui`)

Set up Cordova or Capacitor for native builds

Run app in browser or mobile simulator/device

Environment Setup

Install Node.js and npm/yarn

Install framework CLI (React/Angular/Vue)

Install Onsen UI and bindings

Set up Cordova or Capacitor for native deployment

Run app in browser and on devices

Config Files

package.json - dependencies and scripts

index.html - app entry point

src/ - app source code

www/ - Cordova/Capacitor output

node_modules/ - installed packages

Cli Commands

npx create-onsen-app MyApp

npm start - run in browser

npm run build - build web app

cordova run android - build and run on Android

cordova run ios - build and run on iOS

Internationalization

Use i18n libraries for text localization

Support RTL and LTR layouts

Localize dates, numbers, and assets

Centralize translations in a resource file

Ensure component-level localization support

Accessibility

Follow web accessibility standards

Use semantic HTML and ARIA roles

Ensure keyboard navigation

Test screen readers

Platform-specific accessibility support via bindings

Ui Styling

Use Onsen CSS classes and platform themes

Custom styles via CSS/SCSS

Responsive design using Flexbox/Grid

Platform-specific adjustments automatically handled

Reusable style modules and themes

State Management

Local state via framework (React useState, Angular services, Vue reactive data)

Global state via Redux, Vuex, or NgRx

Ensure state updates propagate to UI components

Optional integration with RxJS for reactive updates

Maintain cross-page state for navigation

Data Management

Fetch data via Axios, Fetch, or framework HTTP client

Persist data locally using localStorage or IndexedDB

Use Cordova/Capacitor plugins for SQLite

Handle JSON encoding/decoding

Synchronize state between pages/components

Architecture

Component-based UI architecture

Declarative HTML templates with data binding (via framework or JS)

CSS-driven styling with platform-specific theming

Event-driven for touch gestures and navigation

Supports modular structure for scalable apps

Rendering Model

HTML/CSS/JS-based rendering

Declarative page and component templates

State-driven re-renders via framework bindings

Event-driven gestures and navigation

Automatic platform style adaptation

Architectural Patterns

Component-based structure

Declarative page navigation

Framework-agnostic core

Integration with state management frameworks

Modular and reusable design

Real World Architectures

Hybrid enterprise apps

Mobile dashboards

Consumer mobile web apps

Internal company mobile tools

Startups prototyping cross-platform apps

Design Principles

Platform-adaptive UI

Reusable components

Minimalistic and lightweight

Modular and scalable architecture

Declarative and easy to integrate

Scalability Guide

Use modular component structure

Lazy-load pages when possible

Optimize asset loading

Use efficient state management

Profile performance on multiple devices

Migration Guide

Update Onsen UI and framework bindings

Refactor deprecated components

Test platform-specific UI on iOS and Android

Validate Cordova/Capacitor plugin compatibility

Check third-party library integrations

Performance Notes

Minimize heavy DOM operations

Use virtual lists for long lists

Optimize images and assets

Use framework state management efficiently

Test performance on real devices frequently

Security Notes

Follow web security best practices

Sanitize user input

Use HTTPS for API requests

Validate plugin permissions for device features

Keep dependencies updated

Monitoring Analytics

Integrate Google Analytics or Firebase

Track errors via Sentry or similar

Monitor user interactions and navigation

Audit performance metrics on devices

Ensure responsive and smooth UI behavior

Code Quality

Follow JS/TypeScript best practices

Document components and styles

Write unit and E2E tests

Profile performance

Use framework-specific linting tools

Practical Examples

Hybrid e-commerce apps

Mobile dashboards for business apps

Progressive web apps with native-like UI

Internal company tools deployed on mobile

Prototype apps for startups targeting multiple platforms

Troubleshooting

Ensure Onsen UI CSS and JS are correctly imported

Check framework binding versions (React/Angular/Vue)

Debug layout issues using browser dev tools

Validate Cordova/Capacitor plugin installation

Ensure correct page nesting in `<ons-navigator>`

Testing Guide

Unit tests with Jest or Jasmine

E2E tests using Appium or Cypress

Test in multiple browsers and mobile simulators

Monitor performance on actual devices

Check navigation and gesture behavior across platforms

Deployment Options

Deploy web app to hosting provider

Build hybrid mobile app via Cordova/Capacitor

Publish iOS app via Xcode and App Store

Publish Android app via Android Studio and Play Store

CI/CD pipelines with GitHub Actions or Monaca Cloud

Tools Ecosystem

Onsen UI core library

Framework bindings: react-onsenui, angular-onsenui, vue-onsenui

Monaca CLI for project scaffolding

Cordova/Capacitor for native builds

Browser developer tools for debugging

Integrations

Angular, React, or Vue frameworks

Cordova/Capacitor plugins for native device features

Axios or Fetch for network requests

Firebase or backend APIs

Third-party JS libraries as needed

Productivity Tips

Reuse UI components across pages

Test on multiple platforms often

Use framework state management efficiently

Leverage built-in animations and gestures

Document platform-specific behavior

Challenges

Create a multi-page mobile app

Implement tab navigation and gestures

Optimize app performance for iOS and Android

Integrate push notifications via plugins

Deploy hybrid app to stores and web

Learning Path

Learn HTML, CSS, and JavaScript basics

Understand framework of choice (React, Angular, Vue)

Learn Onsen UI core components

Build simple hybrid app

Deploy to browser and mobile devices

Skill Improvement Plan

Week 1: Onsen UI core components and pages

Week 2: Navigation and routing

Week 3: Integrate with framework (React/Angular/Vue)

Week 4: Add Cordova/Capacitor plugins

Week 5: Test, optimize, and deploy hybrid app

Interview Questions

Explain Onsen UI architecture and component model

How does Onsen UI handle platform-specific UI?

How do you integrate Onsen UI with React/Angular/Vue?

Describe navigation in Onsen UI apps

How to use Cordova/Capacitor plugins with Onsen UI?

Cheat Sheet

`<ons-page>` - page container

`<ons-navigator>` - page navigation

`<ons-button>` - platform-adaptive button

`<ons-list>` / `<ons-list-item>` - list components

`ons.platform.isAndroid()` / `isIOS()` - platform detection

Books

Mastering Onsen UI

Building Hybrid Mobile Apps with Onsen UI

Onsen UI for Angular/React/Vue

Progressive Web Apps with Onsen UI

Advanced Onsen UI Techniques

Tutorials

Official Onsen UI guides

Framework-specific tutorials (React, Angular, Vue)

Monaca project examples

YouTube hybrid app tutorials

Community blogs and sample projects

Official Docs

https://onsen.io/

https://onsen.io/v2/guide/

https://github.com/OnsenUI/OnsenUI

Community Links

Onsen UI GitHub

StackOverflow Onsen UI tag

Reddit hybrid app communities

Monaca forums

Twitter #OnsenUI

Community Support

Onsen UI GitHub repository

StackOverflow Onsen UI tag

Reddit discussions

Monaca documentation and forums

Community sample projects

Monetization

Publish consumer apps on app stores

Enterprise apps with subscription/licensing

Hybrid apps with in-app purchases

Consulting for hybrid app development

Rapid prototyping with Onsen UI

Future Roadmap

Enhanced integration with React, Vue, Angular

Improved performance for PWAs

Expanded component library

Better Cordova/Capacitor plugin support

Long-term support and community growth

When Not To Use

Apps requiring intensive native graphics or animations

Projects needing deep integration with native OS APIs

Teams not comfortable with web technologies

Apps with very high-performance requirements

Complex multi-threaded mobile apps

Final Summary

Onsen UI is a hybrid/mobile web framework for iOS and Android.

It provides ready-to-use, platform-adaptive UI components.

Supports Angular, React, Vue, or plain JavaScript.

Ideal for hybrid apps needing a single codebase.

Integrates with Cordova/Capacitor for native features.

Faq

Does Onsen UI support React/Angular/Vue?

Yes, via official bindings.

Can I use Onsen UI for PWAs?

Yes, it's optimized for mobile web apps.

Is it suitable for production?

Yes, especially for hybrid apps needing native-like UI.

Does it require Cordova?

Not for web apps, but needed for native device access.

Are there built-in animations?

Yes, platform-optimized transitions and gestures are included.

Code Sample Descriptions

1

Framework7 Simple Todo App

<!DOCTYPE html>
<html>
    <head>
        <link rel="stylesheet" href="https://unpkg.com/framework7/framework7-bundle.min.css">
        <script src="https://unpkg.com/framework7/framework7-bundle.min.js"></script>
    </head>
    <body>
        <div id="app">
        <div class="view view-main">
        <div class="page">
        <div class="navbar"><div class="title">Todo App</div></div>
        <div class="page-content">
        <input type="text" id="todoInput" placeholder="New Todo">
        <button onclick="addTodo()">Add</button>
        <ul id="todoList"></ul>
        </div>
        </div>
        </div>
        </div>

        <script>
        const todos = [];
        function addTodo() {
        const input = document.getElementById('todoInput');
        if(input.value.trim()) {
        todos.push(input.value.trim());
        input.value = '';
        renderTodos();
        }
        }
        function renderTodos() {
        const list = document.getElementById('todoList');
        list.innerHTML = '';
        todos.forEach(todo => {
        const li = document.createElement('li');
        li.textContent = todo;
        list.appendChild(li);
        });
        }
        </script>
    </body>
</html>

Demonstrates a simple Framework7 app with a Todo list, adding tasks, and displaying them using Framework7 components.

Let’s Try →
2

Framework7 Counter App

<!DOCTYPE html>
<html>
    <head>
        <link rel="stylesheet" href="https://unpkg.com/framework7/framework7-bundle.min.css">
        <script src="https://unpkg.com/framework7/framework7-bundle.min.js"></script>
    </head>
    <body>
        <div id="app">
        <div class="view view-main">
        <div class="page">
        <div class="navbar"><div class="title">Counter App</div></div>
        <div class="page-content" style="text-align:center;">
        <p id="count" style="font-size:24px;">0</p>
        <button onclick="increment()">+</button>
        <button onclick="decrement()">-</button>
        <button onclick="reset()">Reset</button>
        </div>
        </div>
        </div>
        </div>

        <script>
        let count = 0;
        function render() { document.getElementById('count').textContent = count; }
        function increment() { count++; render(); }
        function decrement() { count--; render(); }
        function reset() { count = 0; render(); }
        </script>
    </body>
</html>

A simple counter app with increment, decrement, and reset buttons using Framework7 components.

Let’s Try →
3

Framework7 Step Counter

<!DOCTYPE html>
<html>
    <head>
        <link rel="stylesheet" href="https://unpkg.com/framework7/framework7-bundle.min.css">
        <script src="https://unpkg.com/framework7/framework7-bundle.min.js"></script>
    </head>
    <body>
        <div id="app">
        <div class="view view-main">
        <div class="page">
        <div class="navbar"><div class="title">Step Counter</div></div>
        <div class="page-content" style="text-align:center;">
        <input type="number" id="step" placeholder="Step" style="width:50px;">
        <p id="count" style="font-size:24px;">0</p>
        <button onclick="increment()">+</button>
        <button onclick="decrement()">-</button>
        <button onclick="reset()">Reset</button>
        </div>
        </div>
        </div>
        </div>

        <script>
        let count = 0;
        function getStep() { return parseInt(document.getElementById('step').value || '1'); }
        function render() { document.getElementById('count').textContent = count; }
        function increment() { count += getStep(); render(); }
        function decrement() { count -= getStep(); render(); }
        function reset() { count = 0; render(); }
        </script>
    </body>
</html>

Counter app with customizable step increment using Framework7 components.

Let’s Try →
4

Framework7 Multi Counter

<!DOCTYPE html>
<html>
    <head>
        <link rel="stylesheet" href="https://unpkg.com/framework7/framework7-bundle.min.css">
        <script src="https://unpkg.com/framework7/framework7-bundle.min.js"></script>
    </head>
    <body>
        <div id="app">
        <div class="view view-main">
        <div class="page">
        <div class="navbar"><div class="title">Multi Counter</div></div>
        <div class="page-content" style="text-align:center;">
        <p id="count1" style="font-size:24px;">0</p>
        <p id="count2" style="font-size:24px;">0</p>
        <button onclick="increment(1)">+ Counter 1</button>
        <button onclick="increment(2)">+ Counter 2</button>
        </div>
        </div>
        </div>
        </div>

        <script>
        let counters = [0,0];
        function render() {
        document.getElementById('count1').textContent = counters[0];
        document.getElementById('count2').textContent = counters[1];
        }
        function increment(i) { counters[i-1]++; render(); }
        render();
        </script>
    </body>
</html>

Multiple independent counters in a single view using Framework7.

Let’s Try →
5

Framework7 Dark Mode Counter

<!DOCTYPE html>
<html>
    <head>
        <link rel="stylesheet" href="https://unpkg.com/framework7/framework7-bundle.min.css">
        <script src="https://unpkg.com/framework7/framework7-bundle.min.js"></script>
        <style>
        .dark { background-color:#333; color:#fff; }
        .light { background-color:#fff; color:#000; }
        </style>
    </head>
    <body class="light">
        <div id="app">
        <div class="view view-main">
        <div class="page">
        <div class="navbar"><div class="title">Dark Mode Counter</div></div>
        <div class="page-content" style="text-align:center;">
        <p id="count" style="font-size:24px;">0</p>
        <button onclick="increment()">+</button>
        <button onclick="decrement()">-</button>
        <button onclick="reset()">Reset</button>
        <button onclick="toggleTheme()">Toggle Theme</button>
        </div>
        </div>
        </div>
        </div>

        <script>
        let count = 0;
        function render() { document.getElementById('count').textContent = count; }
        function increment() { count++; render(); }
        function decrement() { count--; render(); }
        function reset() { count = 0; render(); }
        function toggleTheme() { document.body.className = document.body.className === 'light' ? 'dark' : 'light'; }
        </script>
    </body>
</html>

Counter app with light/dark theme toggle using Framework7.

Let’s Try →

Frequently Asked Questions about Framework7

What is Framework7?

Onsen UI is an open-source framework for building hybrid and mobile web apps using HTML5, CSS, and JavaScript. It provides ready-to-use UI components optimized for iOS and Android, supporting frameworks like Angular, React, and Vue.

What are the primary use cases for Framework7?

Hybrid mobile apps for iOS and Android. Progressive Web Apps (PWAs). Rapid prototyping of mobile interfaces. Apps needing consistent cross-platform UI. Integration with Angular, React, or Vue frameworks

What are the strengths of Framework7?

Single codebase for multiple platforms. Native-like UI without writing native code. Works with major JS frameworks or plain JS. Lightweight and fast for hybrid apps. Good documentation and example projects

What are the limitations of Framework7?

Less performant than fully native apps for heavy UI tasks. Some complex native features require Cordova/Capacitor plugins. Smaller community compared to React Native or Flutter. Limited ecosystem of third-party components. Debugging hybrid apps may be trickier than native apps

How can I practice Framework7 typing speed?

CodeSpeedTest offers 5+ real Framework7 code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

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