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Calculate the real βcostβ to run your JS app or lib and maintain an eye on performance and raise the alarm (in your CI system, say) when things go awry. Supports ES modules and tree shaking.
ANDREY SITNIK
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An intriguing project where you βdrawβ diagrams in plain ASCII text within special
script
tags and these get rendered into much nicer looking versions. An interesting approach if Mermaid is too full on for your needs.SAM GOTO / GOOGLE
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This is more powerful than I was expecting. You can basically record a screencast using browser APIs. In Chrome, at least.
SΓBASTIEN JALLIFFIER VERNE
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Supports both offline feature extraction as well as real-time feature extraction using the Web Audio API. You can play with a demo right on the homepage.
RAWLINSON, SEGAL, FIALA, WRAY, ET AL.
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π How Dropbox Reduced the Size of Its JavaScript Bundles by 33%
The folks at Dropbox realize that when youβre operating at scale, small annoyances and delays add up, and their web perf team narrowed down some of Dropboxβs perf issues to their module bundling process.
NADEEM AND HONG (DROPBOX)
π You Don't (May Not) Need Lodash or Underscore
Inspired by the popular You Might Not Need jQuery, this extensive document provides pure JavaScript alternatives to almost 100 different functions as youβd find in popular utility libraries like Lodash.
YOU DON'T NEED
Β©οΈJS WEEKLY
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