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Languages & runtimes · #javascript
Learn how to use Backbone.js model validation to catch data errors on the client side, reducing server load and improving user feedback loops.
Learn how to install Microsoft Clarity’s session‑recording snippet, capture full SPA interactions, track custom events, and avoid common pitfalls while keeping privacy in check.
ESLint's flat config replaces the .eslintrc cascade with one explicit JavaScript file. Here's what changes, a worked example, and how to decide when migrating is worth it.
Chart.js plugins share the chart's canvas, data, and render loop. This architecture note covers the mutation boundaries, ordering declarations, and failure modes that keep a v4 plugin from corrupting the chart it runs in.
Learn how p5.js preload() guarantees that images, sounds, fonts, and data are fully loaded before setup() runs, eliminating race conditions and simplifying asset‑management in creative‑coding sketches.
Learn how to implement Sentry Source Maps to resolve obfuscated production stack traces, ensuring precise error localization while keeping source code secure.
Jasmine's built-in mock clock lets you test debounce, expiry, and polling logic deterministically — no real waiting, no flaky CI. Here's how install(), tick(), and mockDate() work, plus the uninstall and microtask pitfalls.
A decision guide for publishing a library with Rollup: why dual es + cjs output is the practical default, how external and sideEffects settings make or break tree-shaking, and how to validate the result.
Learn how to diagnose and fix 'Module not found' errors caused by pnpm's non-flat node_modules structure and how to handle phantom dependencies.
backbonejs
clarity
eslint
chartjs
p5js
rollup
pnpm