~/talks

Jenna Zeigen

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Several components are renderingLeadDev New York 20242024-09-04
Slack desktop suffers systemic re-renders from a Redux+React architecture so the client performance team builds observability, surfaces input delay key press…
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Parsing ParsersJSConf Hawaiʻi 20202020-02-05
Builds a small search-query parser in JavaScript that actually tokenizes with regular expressions, wraps lexemes into tokens, and produces a navigable parse…
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Fantastic Frontend Performance Tricks & Why We Do Them#PerfMatters Conference 20192019-04-02
Explains concrete wins and exact tools: gzipping typically cuts HTML/CSS/JS by ~70% gzip savings; tinyPNG can cut images (example 47% savings) and use WebP or…
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From Parentheses to Perception: How Your Code Becomes Someone Else's RealityNode+JS Interactive 20182018-10-10
Maps HTML/CSS/JS into concrete browser structures: DOM and CSSOM merged into a render tree, layout converts relative sizes to exact pixels, painting makes…
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On How Your Brain is Conspiring Against You Making Good SoftwareFront-Trends 20172017-05-24
Covers specific cognitive experiments and practical fixes: categorical syllogisms show only 9% draw correct conclusions, the Wason card task gets 4% right…
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On How Your Brain is Conspiring Against You Making Good SoftwareJSConf Iceland 20162016-08-25
Decisions about code and teams fail for specific, measured reasons: logical puzzles show only 9% or 4% success on syllogisms and the Wason four‑card task…
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"Server Farm to Table"DinosaurJS 20162016-06-24
Type a URL and the browser checks caches then runs gethostbyname and /etc/hosts before UDP DNS queries that recursively ask root→.com→google.com; use dig to…
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What if your brain were ~*literally*~ JavaScriptReject.JS 20152015-09-24
Compares three concrete claims: the parser maps to human language so ambiguity is dangerous in code and explains hoisting and this defaulting to global; the…
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The Linguistic Relativity of Programming LanguagesJSConf EU 20142014-09-13
Argues that programming languages shape how problems are modeled and solved, claiming programmers adopt the constructs of the most powerful language they know…
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