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A resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript πŸš€ Don't miss our Quizzes!

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What is the output?
Anonymous Quiz
29%
1
44%
2
27%
undefined
πŸ‘9❀3πŸ€”1
πŸ•― Size Limit 8.2: JavaScript Performance Budgeting Tool

Calculate the real β€˜cost’ 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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❀4πŸ‘3πŸ”₯1
CHALLENGE #103
What is the output?
Anonymous Quiz
40%
0
60%
1
πŸ”₯19πŸ‘6πŸ€”3πŸ‘Ž1
➑️ Typograms: A Way to Render ASCII Diagrams More Elegantly

An intriguing project where you β€˜draw’ 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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πŸ‘5πŸ”₯5❀3
CHALLENGE #104
What is the output?
Anonymous Quiz
45%
2
20%
NaN
31%
[object Object]
4%
1
πŸ‘6πŸ”₯6πŸ€”3❀2
➑️ Creating a Screen + Camera Recorder with the Document Picture-in-Picture API

This is more powerful than I was expecting. You can basically record a screencast using browser APIs. In Chrome, at least.

SÉBASTIEN JALLIFFIER VERNE
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πŸ‘6❀4πŸ”₯3
CHALLENGE #105
What is the output?
Anonymous Quiz
28%
Error
25%
1, 2, 3
13%
0, 1, 2
35%
3, 2, 1
πŸ€”8❀3πŸ‘3πŸ”₯2πŸ‘Ž1
πŸ”₯ Meyda: Audio Feature Extraction Library

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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πŸ‘5❀3πŸ”₯2
CHALLENGE #106
❀5πŸ‘3πŸ€”1
What is the output?
Anonymous Quiz
58%
timeout called
42%
no output
πŸ‘11πŸ€”6❀2πŸ”₯1
πŸ˜‚ Oh, noo...
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🀣53❀4πŸ‘3πŸ”₯2
CHALLENEGE #107
πŸ‘1
What is the output?
Anonymous Quiz
27%
1, 1, 0
27%
0, 1, 0
33%
1, 1, 2
13%
1, 1, 1
πŸ‘15❀8πŸ”₯4🀣1
πŸ˜‚ Probably a JavaScript developer ...
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🀣58πŸ”₯6❀2πŸ‘1
CHALLENGE #108
πŸ”₯11
What is the output?
Anonymous Quiz
41%
4
59%
1
πŸ€”21πŸ”₯8πŸ‘3❀2πŸ‘Ž2
πŸ“Œ Issue 31 / 18.08.2023


πŸ“„ How Dropbox Reduced the Size of Its JavaScript Bundles by 33%

The folks at Dropbox realize that when you’re operating at scale, small annoyances and delays add up, and their web perf team narrowed down some of Dropbox’s perf issues to their module bundling process.

NADEEM AND HONG (DROPBOX)


πŸ“„ 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 you’d find in popular utility libraries like Lodash.

YOU DON'T NEED


©️JS WEEKLY
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