ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Languages & runtimes · #javascript
Chart.js preserves a 2:1 canvas ratio by default, so charts overflow wide cards or float in whitespace. The two-option fix, the container-height rule, and when to keep the default.
Optional chaining (?.) lets you read deep object paths without boilerplate guards, but overusing it can mask real bugs. Learn when to apply it, see a before/after config loader, and get a checklist for safe adoption.
Stop the 'Undefined' crashes in legacy browsers. Learn the trade-offs between global entry polyfilling and granular imports using core-js to balance compatibility and bundle size.
Learn how to implement DataTables server-side processing to handle massive datasets without crashing the browser, including the required JSON contract and common pitfalls.
Learn how Svelte’s $: reactive statements automatically recompute values when dependencies change. This guide covers the core mechanism, a live example, store integration, performance limits, and common pitfalls to avoid.
A technical guide on choosing between 'usage' and 'entry' modes in core-js for Babel builds, comparing bundle size, reliability, and library vs. application strategies.
Learn when to switch from client-side to server-side processing in DataTables to handle large datasets without crashing the browser or slowing down the UI.
Learn how to use Redux Toolkit's createSlice and createAsyncThunk to eliminate boilerplate and build a type-safe, immutable state architecture with clear data boundaries.
Learn how to extend Karma’s test runner with a custom reporter that emits JSON events for CI pipelines or Slack bots.
chartjs
corejs
datatables
redux
karma