JSFiddle - React, Tailwind, and code Playground

by sandfresh

JavaScript

function reverseStr(str){
	return str.split("").reverse().join("");

}

let ret =reverseStr("HelloWorld");
console.log(ret);

function climbStairs(n){
		if(n <= 1)
    return n;
    
    let cur = 1;
    let prev = 1;
    
    for(let i = 2; i <= n ;i++){
    		let temp  =cur;
        cur = prev+  cur;
        prev= temp;
    
    }
    
    return cur;
    
}


ret =climbStairs(99);
console.log(ret);