To Lower Case

Description

Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase.

 

Example 1:

Input: "Hello"
Output: "hello"

Example 2:

Input: "here"
Output: "here"

Example 3:

Input: "LOVELY"
Output: "lovely"

Solution(javascript)

/**
 * @param {string} str
 * @return {string}
 */
var toLowerCase = function(str) {
    return str.toLowerCase()
    
};