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Languages & runtimes · #javascript
Learn how to register a Handlebars custom helper, use it in templates, and avoid common pitfalls such as mutating context or returning unsafe HTML.
Learn how to optimize p5.js performance by using noLoop() and loop() to switch from continuous rendering to event-driven animations.
Learn how to make Chart.js charts resize fluidly with responsive:true and maintainAspectRatio:false, including a code example, limits, and verification steps.
Learn how to use npm Workspaces to manage monorepos, optimize dependency hoisting, and link local packages using a single root lockfile.
Learn how jasmine.any() enables type-flexible assertions in Jasmine tests — when to use it, which assertion methods support it, and the common pitfalls that cause false negatives.
Learn how to debounce search inputs in Alpine.js using x-watch and x-effect, with a worked example, cleanup tips, and trade-off guidance.
Learn how to make Chart.js charts resize with their container while preserving or intentionally changing the aspect ratio, with configuration, limits, and verification steps.
Grunt's grunt-contrib plugins still deliver a working build pipeline for legacy projects. This post walks through a concrete concat+uglify+watch setup, shows the Gruntfile, and explains where configuration bloat and disk I/O become liabilities.
Learn how to correctly use the .update() method in Chart.js to handle dynamic data streams, avoid memory leaks, and optimize rendering performance using update modes.
handlebars
p5js
chartjs
jasmine
alpinejs
grunt