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JAVASCRIPT Snippets.

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

JAVASCRIPT

Implement Custom v-model for Reusable Vue 3 Components

Discover how to create custom form inputs in Vue 3 that support `v-model` for two-way data binding, enhancing component reusability and developer experience.

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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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