Making-of: circle drawing page #

People sometimes ask me how I write my interactive tutorials. I started out using d3.js, and five years ago I wrote an interactive tutorial about how I made interactive pages with d3.js. I recreated a diagram from my line drawing tutorial, which was implemented in d3.js. I now use Vue.js v2, so I wrote a new tutorial about how I make interactive pages with Vue. I recreated several diagrams from my circle drawing tutorial.

Diagram constructed in layers

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One letter variable names #

I admit I use one letter variable names in my code. But which names? Here's what I use in for loops:

# rg 'for \(let . ?=' 
#     | perl -pe 's/.*let //g' | perl -pe 's/=.*//g' 
#     | sort | uniq -c | sort -nr | head

509 i
132 x
122 y
118 r
 57 t
 53 q
 47 j
 43 s
 31 e
 14 k