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LoganBarnett/closured-scope-mutation.js

Last active November 4, 2021 17:38
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closured-scope-mutation.js
const fs = []
for(var i = 0; i < 3; ++i) {
fs.push(() => console.log(i))
}
fs.forEach(f => f())
// with explicit scope
const fs = []
const scope = { i: 0 }
for(; scope.i < 3; ++scope.i) {
fs.push(() => console.log(scope.i))
}
fs.forEach(f => f())
@logan-barnett-nwea
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The Ruby version:

for i in 0..3
  fs << lambda { puts i }
end
fs.each {|f| f.call()}

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