Vanilla JS Comeback

For the last decade, the frontend web development ecosystem was defined by massive UI frameworks. React, Angular, Vue, and Svelte dominated the landscape. Developers were taught to immediately run npx create-react-app or npm create vite before writing a single line of business logic.

But the tide is turning. Framework fatigue is real, and the complexity overhead is becoming harder to justify for standard applications. Welcome to the Vanilla JS renaissance.

The Cost of Complexity

Frameworks introduced necessary innovations—component architectures, reactive state, and virtual DOMs—but they came at a cost. Huge bundle sizes, convoluted build steps, and an endless treadmill of dependency updates. A simple blog now requires a Node.js server to build static HTML. For many developers, the cognitive load has surpassed the benefit.

Native Browser APIs Have Caught Up

The primary reason Vanilla JS is viable again is that native browser APIs are fantastic now. You no longer need a library to perform basic tasks:

document.querySelector replaced jQuery decades ago, but its speed is unmatched now.
Web Components allow you to build encapsulated, reusable UI elements natively, completely bypassing React's component model.
CSS Variables and native nesting have removed the absolute necessity of CSS-in-JS solutions.
Native ES Modules (import / export) mean you don't always need a bundler like Webpack to organize your code.

Performance Trumps Trendiness

When you drop the 100kb+ runtime of a modern framework, your website loads instantly. Time-to-Interactive (TTI) plummets. Your Lighthouse scores reach 100 effortlessly. We rebuilt our entire internal dashboard using plain HTML, CSS, and JavaScript. The result? A 70% decrease in initial load times and a developer experience unbound by "framework rules."

// Creating a functional Web Component natively
class CustomButton extends HTMLElement {
    constructor() {
        super();
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                button { background: #6366f1; color: white; padding: 10px 20px; border-radius: 5px; }
            </style>
            <button><slot></slot></button>
        `;
    }
}
customElements.define('custom-button', CustomButton);

Conclusion

Frameworks definitely still have a place in heavily interactive unified web applications (like Figma or complex dashboards). However, the default choice for content sites, blogs, portfolios, and even traditional e-commerce is rapidly shifting back to basics: Vanilla JS.