function reverseStringRecursive(str="") { if(str.length === 1) { return str; } return reverseStringRecursive(str.substr(1))+str[0]; } function reverseStringIterative(str="") { let result = ""; for(let i=str.length-1;i >= 0;i--) { result += str[i]; } return result; } console.log(reverseStringRecursive("Hi, My Name is Neeraj Jain")); console.log(reverseStringIterative("Hi, My Name is Neeraj Jain"));