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  1. Prepare
  2. Tutorials
  3. 10 Days of Javascript
  4. Day 2: Conditional Statements: Switch

Day 2: Conditional Statements: Switch

Objective

In this challenge, we learn about switch statements. Check out the attached tutorial for more details.

Task

Complete the getLetter(s) function in the editor. It has one parameter: a string, , consisting of lowercase English alphabetic letters (i.e., a through z). It must return A, B, C, or D depending on the following criteria:

  • If the first character in string is in the set , then return A.
  • If the first character in string is in the set , then return B.
  • If the first character in string is in the set , then return C.
  • If the first character in string is in the set , then return D.

Hint: You can get the letter at some index in using the syntax s[i] or s.charAt(i).

Function Description

Complete the getLetter function in the editor below.

getLetter has the following parameters:

  • string s: a string

Returns

  • string: a single letter determined as described above

Input Format

Stub code in the editor reads a single string denoting from stdin.

Constraints

  • , where is the length of .
  • String contains lowercase English alphabetic letters (i.e., a through z) only.

Sample Input 0

adfgt

Sample Output 0

A

Explanation 0

The first character of string is a. Because the given criteria stipulate that we print A any time the first character is in , we return A as our answer.