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Ruby while loops

Ruby reference for ruby while loops.

Syntax

count = 0
while count < 3
  count += 1
end

Examples

Ruby while loops example

A focused example you can adapt while practising.

count = 0
while count < 3
  count += 1
end

Best practices

  • Start with the smallest working example, then adapt it to your project.
  • Use the language’s standard library and idioms before introducing extra dependencies.

Runtime & versions

Ruby interpreter. Feature availability depends on the language and runtime version used by your project; consult the official reference below.

Ruby documentation

Specifications & further reading