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Languages & runtimes · #javascript
Stop UI jank by choosing the right rate-limiter. Learn when to use Lodash's _.debounce vs _.throttle, how to avoid bundle bloat, and how to prevent memory leaks in SPAs.
Push formatting, conditionals, and data transformation into Handlebars helpers. Templates stay declarative; helpers become testable, reusable JavaScript. Covers inline vs block helpers, local registration, async pitfalls, SafeString safety, and precompilation.
Learn how to use Jasmine spies and the fake clock to eliminate flakiness in unit tests by isolating HTTP calls, timers, and external dependencies.
How to fetch and post JSON in a Mithril SPA using m.request: correct config keys, explicit HTTP error handling with extract, and what Mithril deliberately does not manage for you.
A decision guide for composing Gulp 4 tasks: when series() is mandatory, when parallel() is safe, and how to validate that your parallel tasks are truly independent.
Learn how to manage SolidJS signals and use batching to prevent DOM thrashing and memory leaks in fine-grained reactive applications.
Learn how to align Backbone.js Collections with irregular REST responses by overriding parse and reacting to collection events.
Handlebars rendering bugs cluster into three symptoms: visible entities, unescaped markup, and silent blanks. This guide maps each symptom to its cause and gives ordered checks with concrete tests.
Chart.js's built-in decimation plugin downsamples huge line datasets to roughly the canvas pixel width. Here's how to enable it, choose between min-max and LTTB, and handle the fidelity trade-off.
lodash
handlebars
jasmine
gulp
backbonejs
chartjs