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Counter Widget - Dojo Typing CST Test

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Counter Widget — Dojo Code

Basic Dojo counter with dark/light theme toggle.

import { create, tsx } from '@dojo/framework/core/vdom';
const factory = create();
const Counter = factory(function Counter() {
	const state = { count: 0, isDark: false };
	return (
		<div classes={[state.isDark ? 'dark-theme' : 'light-theme']}>
		<h2>Counter: {state.count}</h2>
		<div>
		<button onclick={() => state.count++}>+</button>
		<button onclick={() => state.count--}>-</button>
		<button onclick={() => state.count = 0}>Reset</button>
		</div>
		<button onclick={() => state.isDark = !state.isDark}>
		Switch to {state.isDark ? 'Light' : 'Dark'} Theme
		</button>
		</div>
	);
});
export default Counter;

Dojo Language Guide

Dojo is a modern, TypeScript-first, reactive JavaScript framework for building scalable web applications. It emphasizes modularity, high performance, strong typing, and reactive widgets for enterprise-level and interactive web applications.

Primary Use Cases

  • ▸Enterprise web applications
  • ▸Interactive dashboards
  • ▸Complex widgets and data visualization
  • ▸High-performance, reactive web apps
  • ▸Applications requiring strong TypeScript integration

Notable Features

  • ▸Reactive widget system
  • ▸TypeScript-first architecture
  • ▸Virtual DOM and fine-grained reactivity
  • ▸Modular ES module design
  • ▸Optimized build and tree-shaking

Origin & Creator

Created by SitePen in 2004 (original Dojo Toolkit), and modern Dojo Framework (Dojo 2+) was released starting in 2017, reimagining Dojo for modern TypeScript, ES modules, and reactive UI development.

Industrial Note

Dojo excels in enterprise-level applications and large-scale dashboards where performance, TypeScript safety, and modularity are crucial.

More Dojo Typing Exercises

Dojo Counter with Step IncrementDojo Counter with Max LimitDojo Counter with Auto-ResetDojo Counter with HistoryDojo Counter with Dark Mode OnlyDojo Counter with Auto-IncrementDojo Counter with Conditional ThemeDojo Full Featured Counter

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