tipやknowledgeというよりは自分向けの進捗メモのような感じです…。
ブラウザでRubyを動かす方法。
<html>
<script src="https://cdn.jsdelivr.net/npm/@ruby/3.3-wasm-wasi@2.7.0/dist/browser.script.iife.js"></script>
<script type="text/ruby">
puts "Hello, console!" # (Printed to the Web browser console)
require "js"
JS.global[:document].write "Hello, world!"
IO.write("test.txt","Hello, file!")
puts Dir.entries(".")
# How to load external gems..?
# require "four-pillars"
</script>
</html>