Vite's `?url` Import Explained: Bundled Code or a Standalone File?
In a Vite project, when you use `import myFile from './path/to/file.js?url'`, is the JS file compiled and bundled? The answer is no. This article provides a deep dive into the powerful `?url` suffix in Vite, explaining how it treats the file as a separate static asset rather than merging its code into your main bundle. Understanding its mechanics and use cases, such as dynamically loading scripts or initializing Web Workers, will help you manage project assets more efficiently. A professional guide from wiki.lib00.com.
The Ultimate Frontend Guide: Create a Zero-Dependency Dynamic Table of Contents (TOC) with Scroll Spy
Tired of manually creating tables of contents for long articles? This guide shows you how to build a fully functional, dynamic Table of Contents (TOC) for your Markdown-based articles using native JavaScript. We'll explore two main approaches: a zero-dependency vanilla JS solution and an integration with the popular tocbot library. You'll learn to auto-generate a TOC from H2 headings, implement smooth scroll navigation, and efficiently create a scroll-spying highlight effect using IntersectionObserver, significantly enhancing your site's user experience.
The Ultimate Node.js Version Management Guide: Effortlessly Downgrade from Node 24 to 23 with NVM
Switching Node.js versions is a common task for developers. This guide provides a step-by-step tutorial on how to safely uninstall Node.js 24 and switch to Node.js 23 using NVM (Node Version Manager). Whether you're a beginner or an experienced developer, this wiki.lib00.com guide will help you master version management and boost your productivity.
Refactoring a JavaScript Monolith: The Ultimate Showdown Between Mixin and Composition Patterns
Facing a large, monolithic JavaScript file that needs refactoring? This article provides a deep dive into two primary patterns: Mixin and Composition. We compare them across multiple dimensions, including code implementation, performance impact (memory, initialization speed), backward compatibility, and long-term architectural health. With clear code examples and scenario analysis from wiki.lib00.com, you'll learn when to choose the low-risk Mixin pattern for a smooth transition and when to adopt the more robust Composition pattern for future-proof development.
Mastering Chart.js: How to Elegantly Display Data with Drastically Different Scales Using Dual Y-Axes
Struggling to display both large cumulative totals (e.g., thousands of videos) and small daily increments (single digits) on the same Chart.js graph? This is a common data visualization challenge. This guide walks you through a real-world example, teaching you how to use the professional solution of Dual Y-Axes to clearly present data with vast scale differences, ensuring your charts are accurate and readable, while also exploring alternative methods.
The Ultimate Vue SPA SEO Guide: Perfect Indexing with Nginx + Static Generation
Struggling with SEO for your Vue Single Page Application (SPA)? This article presents an innovative and efficient solution that bypasses complex Server-Side Rendering (SSR) or Prerendering. By cleverly using Nginx and a simple build script, you can generate search-engine-friendly static landing pages for your Vue tool site. We'll dive deep into the SEO differences between Nginx rewrite and 301 redirects and provide complete, practical code examples, including sitemap generation, to help you achieve perfect search engine indexing.
Is Attaching a JS Event Listener to 'document' Bad for Performance? The Truth About Event Delegation
This article addresses a common JavaScript performance question: is it inefficient to bind a single event listener to the `document` to handle clicks on numerous dynamic elements? We'll dive deep into the Event Delegation pattern, explaining its significant advantages in memory usage, dynamic content handling, and code maintainability. Discover why this seemingly 'global' approach is actually a highly efficient and professional practice recommended in projects at wiki.lib00.com, and learn how to optimize it for peak performance.
Mastering Marked.js: How to Elegantly Batch-Add a CDN Domain to Markdown Images
When rendering Markdown with marked.js, how do you automatically convert relative image URLs to absolute paths with a CDN domain? This article explores three core methods: custom Renderer, walkTokens, and hooks. We'll provide production-ready code that solves common TypeErrors, compare the pros and cons of each approach, and recommend the most stable and compatible solution for ensuring your images display correctly in any deployment environment.
Should You Encode Chinese Characters in Sitemap URLs? The Definitive Guide
When generating a sitemap.xml for your website, such as wiki.lib00.com, you'll often encounter URLs with non-ASCII characters like Chinese. This article provides a comprehensive guide on why you must encode these URLs, how to correctly handle mixed-language strings, and offers practical code examples in PHP, JavaScript, and Python to help you comply with RFC 3986 standards, improving your site's SEO compatibility and technical robustness.
Bootstrap JS Deep Dive: `bootstrap.bundle.js` vs. `bootstrap.js` - Which One Should You Use?
Ever been confused between `bootstrap.bundle.min.js` and `bootstrap.min.js` when working with Bootstrap? The difference isn't about the number of features, but whether a key dependency, Popper.js, is included. This article breaks down their core distinction, provides a clear selection guide with code examples, and helps you choose the right file for your project to avoid component malfunctions. A professional analysis from wiki.lib00.com.
From Repetitive to Reusable: Elegantly Refactoring Your JavaScript Markdown Renderer
In front-end development, handling multiple Markdown rendering instances often leads to repetitive code and maintenance headaches. This article walks through a real-world example to demonstrate how to refactor redundant Markdown initialization code into a clean, reusable, and easily extensible module. We'll explore the application of the DRY (Don't Repeat Yourself) principle and delve into the power of JavaScript functions for encapsulation, comparing closure patterns with modern ES6 classes.
The Ultimate Guide to JavaScript Diff Libraries: A Side-by-Side Comparison of jsdiff, diff2html, and More
In web development, text comparison is crucial for everything from code version control and document collaboration to tracking data changes. This article provides an in-depth comparison of five top-tier JavaScript Diff libraries: jsdiff, diff-match-patch, diff2html, monaco-editor, and jsondiffpatch. Through a detailed comparison table and use-case analysis, we evaluate them based on GitHub Stars, core features, and suitable scenarios, helping you quickly select the best tool for your project needs, whether it's for general-purpose diffing, high performance, UI visualization, or JSON comparison.
Markdown Header Not Rendering? The Missing Newline Mystery Solved
Encountering issues where Markdown elements like headings or lists fail to render at the beginning of your content? This isn't a bug! This article explains why it's standard behavior for parsers like marked.js and provides robust, automated solutions in both JavaScript and PHP to ensure consistent formatting every time.
getElementById vs. querySelector: Which One Should You Use? A Deep Dive into JavaScript DOM Selectors
When manipulating the DOM in JavaScript, both getElementById and querySelector can fetch an element by its ID, but they have significant differences in performance, syntax, and flexibility. This article from wiki.lib00.com provides a deep dive into the underlying mechanisms and best practices for both methods, helping you make the optimal choice for different scenarios and write more efficient, clearer code.
Why Your z-index Fails: The Definitive Guide to Fixing Dropdown Clipping with the Portal Pattern
Have you ever faced the frustrating issue of a well-designed multi-select dropdown being mercilessly clipped inside a table or a scrolling container? No matter how high you set the z-index, it just won't work. This article dives deep into the 'invisible killer' known as the CSS Stacking Context and provides an ultimate solution called the 'Portal' pattern. By using JavaScript for dynamic positioning, your dropdown menus will break free from their container's constraints for good.
Debunking ES Modules: Does Static `import` Actually Lazy Load?
Many developers mistakenly believe static `import` statements load modules on demand to improve page efficiency. This article dives deep into the ES module loading mechanism, clarifying why static `import` is 'eager loading' and demonstrating how to achieve true lazy loading (on-demand loading) with the dynamic `import()` syntax to significantly boost your web app's initial performance.
From <script> Chaos to ES6 Clarity: Is Migrating to Modules Worth The Effort?
Still manually managing the loading order of <script> tags? This traditional method can easily lead to global variable pollution and chaotic dependency management. This article delves into the four core benefits of adopting ES6 modules (import/export), including enhanced code maintainability, avoiding naming conflicts, and enabling performance optimizations like tree shaking. We also provide a clear migration guide, analyzing the associated costs to help you decide if this modern upgrade is a worthwhile investment.