#8 most askedVery commonEasyNative modules & platform
Writing platform-specific code
🏢 Asked in real interviews
No reports yet. Were you asked this? Be the first to say where.How do you handle iOS and Android differences in one React Native codebase?
🔮 Predict the output
// How Platform.select picks a value
const makeSelect = (os) => (spec) => (os in spec ? spec[os] : spec.default);
for (const os of ["ios", "android", "web"]) {
const select = makeSelect(os);
console.log(os, select({ ios: "shadowOpacity", android: "elevation", default: "boxShadow" }));
}
🎤 Answer it out loud, then check yourself
Say your answer as if the interviewer is listening (30–90 seconds). Then reveal what a strong answer covers and tick what you said.
Answer out loud first, then compare.
Want to rehearse it?Answer this to the AI interviewer and get a verdict →