Count Vowels — TypeScript Easy Coding Problem

Choose a language

Languages

⌘K

// Count Vowels — EASY

// Category: string

Given a string `s`, return the number of vowels (`a`, `e`, `i`, `o`, `u`) in the string. The check should be case-insensitive.

Example: s = "hello"

Output: 2

Count Vowels — Pro only

Sign up free to start solving problems. The daily challenge is always free — no account needed.

// Count Vowels — EASY

// Category: string

Given a string `s`, return the number of vowels (`a`, `e`, `i`, `o`, `u`) in the string. The check should be case-insensitive.

Example: s = "hello"

Output: 2

Sign up free to start solving problems. The daily challenge is always free — no account needed.