Read the question, write TypeScript on the right, then Run or Check.
QuestionHint and solution stay closed until you open them
Count aeiou case-insensitive.
Examples
Input
Hello
Output
2
Hint
- include check
Show correct code
Peek only after you have tried. You can still Check your own version.
const w: string = readLine().trim().toLowerCase();
let c = 0;
for (const ch of w) if ('aeiou'.includes(ch)) c++;
console.log(c);
main.tstsc · readLine() · Ctrl + Enter
ResultIdle
Run to see output. Check grades the tests.