Day 1/90: JavaScript setup and first program
90 Day JavaScript Challenge: Zero to Production
Today I wanted javascript setup and first program to feel like a real engineering decision, not a syntax demo. The useful shift was setting the workspace up so both the browser and Node tell the truth quickly.
The checks that mattered were repeatable local runtime and scripts, a debug loop that fails fast, and entry points that stay obvious as files multiply.
The failure mode I was actively trying to avoid was copying a starter blindly and only discovering the runtime assumptions once the project is already moving. Setup days are not about printing Hello World. They are about deciding whether the next thirty files will still feel coherent.
That is the bar I want from this track: code that stays readable when requirements move, not just code that compiles today. I also want to keep tracing one concrete path through the code because that exposes weak assumptions faster than a larger demo.
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