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JavaScript Create the Loop – One Solution

Gal Parselany
.a{fill-rule:evenodd;}techdegree seal-36
Gal Parselany
Front End Web Development Techdegree Graduate 19,126 Points

my solution :

const main = document.querySelector('main');
const randomNumber = getRandomNumber(10);
let guess;

function getRandomNumber(upper) {
    return Math.floor(Math.random() * upper) + 1;
while (true) {
    const guess = prompt('I am thinking of a number between 1 and 10. What is it?')
    if (isNaN(guess) || guess < 1 || guess > 10) {
        alert('Please enter number between 1 and 10');
    } else 
        if(+guess === randomNumber) {
        main.insertAdjacentHTML('beforeend', `<h2>You guess the right number, it was <strong>${randomNumber}</strong></h2>`);