Replace Uppercase and Lowercase in a String using JavaScript

We are required to write a JavaScript function that takes in a string and constructs a new string with all the uppercase characters converted to lowercase and all the lowercase characters converted to uppercase.

Let’s write the code for this function −

Example

Following is the code −

const str = 'The Case OF tHis StrinG Will Be FLiPped';
const isUpperCase = char => char.charCodeAt(0) >= 65 && char.charCodeAt(0)
 char.charCodeAt(0) >= 97 &&
char.charCodeAt(0)  {
   let newStr = '';
   const margin = 32;
   for(let i = 0; i 
Output
The output in the console: −
tHE cASE of ThIS sTRINg wILL bE flIpPED