JSFiddle - React, Tailwind, and code Playground

by mLuby

HTML

<body>
    <input type="number">
    <button>Submit</button>
    <h1 id="result">Result</h1>
</body>

JavaScript

/*
Write a function to find a Fibonacci-like result, based on the following
    function: 
        F(n) = square(n), for 0 <= n <= 6
        F(n) = F(n-3) + F(n-7)
*/
var f = function(n){
    if(n<=6){
        return n*n;
    } else {
        return f(n-3) + f(n-7);
    }
};

$(document).ready(function(){
    $('button').click(function(){
        $('#result').text(f($('input').val()));
    });
});