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JAVASCRIPT Snippets.

Curated list of production-ready JAVASCRIPT scripts and coding solutions.

JAVASCRIPT

Debounce Input with Vue 3 Composition API for Search Fields

Efficiently debounce user input in Vue 3 search fields or textareas using `watch` and `ref` from the Composition API, reducing API calls and improving performance.

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JAVASCRIPT

Centralized Error Handling in Vue 3 with onErrorCaptured

Implement robust, application-wide error handling in Vue 3 components using the `onErrorCaptured` lifecycle hook, gracefully catching and managing component errors.

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JAVASCRIPT

Dynamic CSS Variable Binding for Theming in Vue 3

Control component styling dynamically by binding Vue 3 reactive data to CSS variables, enabling easy theme switching like dark mode without reloading the page.

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JAVASCRIPT

Dynamically Render Components Based on User Interaction

Learn how to dynamically switch between different Vue 3 components at runtime using the `<component :is="...">` element, perfect for flexible UI layouts.

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JAVASCRIPT

Teleport Modals and Overlays to the Body in Vue 3

Use Vue 3's built-in `<Teleport>` component to render content into a different DOM node, ideal for modals, tooltips, and floating elements.

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JAVASCRIPT

Create a Reusable useLocalStorage Composable

Build a custom Vue 3 Composition API composable, `useLocalStorage`, to effortlessly persist and retrieve reactive state in the browser's local storage.

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JAVASCRIPT

Set Essential HTTP Security Headers with Helmet

Secure your web application by implementing crucial HTTP security headers like HSTS, X-Frame-Options, and X-Content-Type-Options using Helmet.js in Express.

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JAVASCRIPT

Securely Hash Passwords Using Argon2 (Node.js)

Learn to securely hash user passwords with the Argon2 algorithm in Node.js, ensuring robust protection against brute-force attacks and Rainbow Tables.

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JAVASCRIPT

Implement Brute-Force Protection for Login Endpoints

Protect your login and sensitive endpoints from brute-force and denial-of-service attacks by implementing robust rate limiting in Node.js Express.

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JAVASCRIPT

Enforce Secure Cookie Attributes in Node.js Express

Learn to set essential security attributes like `HttpOnly`, `Secure`, and `SameSite` on cookies in Node.js Express to protect against XSS and CSRF.

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JAVASCRIPT

Implement Server-Side Caching for External API Responses

Improve API performance and reduce external service load by implementing server-side caching for frequently accessed data using Node.js and a simple cache library.

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JAVASCRIPT

Process and Route Incoming Webhook Events to Specific Handlers

Efficiently manage incoming webhook events by parsing the payload, identifying the event type, and routing it to the appropriate backend handler function using Node.js Express.

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