Developer Tools●●Solid
2.7KB Zig WASM – live globe showing executions at 300 CF edges
2.7KB WASM rendering live edge executions is technically impressive demoscene craft.
WizardryEye CandyNiche Gem
wolfejam
20282mo ago
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Vivix – See inside JavaScript as it executes (open source)
by hlude·Jun 3, 2026·4 points·7 comments
AI Analysis
●●●BangerEye CandyCrowd PleaserZero to One
Event loop visualization with microtask and macrotask queues finally makes async legible.
Strengths
- •Step-through execution with scrub controls lets users explore every instruction manually.
- •Live memory view shows variables, types, and byte sizes updating in real time.
- •Covers 12 concepts including closures, promises, and event loop—no install or account required.
Weaknesses
- •Python Tutor and Loupe already exist, though less comprehensive for JavaScript specifically.
- •Browser-only execution may not reflect all Node.js runtime behaviors accurately.
Category
Target Audience
JavaScript learners, bootcamp students, and junior developers
Similar To
Python Tutor · Loupe · JSVU
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