I18n interview questions
Practice 3 questions on i18n. Each runs in a real in-browser editor with Jest tests and a worked, diagram-backed solution.
3 questions
- EASY
List Format
Implement a function that joins an array of strings into a grammatical list with commas and a conjunction.
15 minJavaScript - MEDIUM
i18n Engine
PREMIUMBuild a translation engine with nested key lookup, variable interpolation, pluralization, and locale fallback.
25 minJavaScript - MEDIUM
ICU Message Formatter
Parse and format ICU MessageFormat strings with plural, select, and nested argument substitution.
25 minJavaScript