Gigachad calculator V2.1

var button = document.createElement("Button");
button.innerHTML = "💪🗿Gigachad Calculator🗿💪";
button.style = "top:80px;left:825px;position:absolute;z-index:99999;padding:15px;margin-top:80px;border:5px solid black;border-radius:16px;font-size:15px;cursor:pointer;";
document.body.appendChild(button);
button.onclick = function(){
    var options = ["1. Procent af et givent tal (fx. 20% af 100)", "2. Find originale tal efter en stigning (fx. tallet et 120 efter en stigning på 20%, hvad var det originale tal?)", "3. Hvor meget har jeg sparet? (fx. et produkt koster 80kr, fordi der er et tilbud på 20 procent. Hvor meget sparer jeg, hvis jeg køber produktet?)", "option 4", "option 5", "option 6", "option 7", "option 8", "option 9", "option 10", "option 11", "option 12", "option 13", "option 14", "option 15", "option 16", "option 17", "option 18", "option 19", "option 20"];

  // Create a string of options separated by newlines
  var optionsString = options.join("\n\n");

  // Show a prompt with the options and ask for a choice
  var choice = prompt("Vælg en af de følgende valg muligheder:\n\n" + optionsString);

  // Convert the choice to a number
  var choiceNumber = Number(choice);

  // Check if the choice is valid
  if (choiceNumber >= 1 && choiceNumber <= 20) {
    // Execute the code for the chosen option
    switch (choiceNumber) {
      case 1:
        // Ask for a number and a percentage
var number = prompt("Skriv tallet du vil tage en procent af:");
var percentage = prompt("Skriv den procentdel, der skal tages af tallet:");

// Calculate the certain percentage of the number
var answer = number * (percentage / 100);

// Display the answer in an alert
alert(percentage + "% af " + number + " er: " + answer + ".");

        break;
      case 2:
        // Ask for the value of rise in percent and number
var rise = prompt("Skriv stigningen i procent (uden % tegn):");
var number = prompt("Skriv tallet:");

// Calculate the original number before the rise
var original = number / (1 + rise / 100);

// Display the answer in an alert
alert("Det originale tal er: " + original);

        break;
        case 3:
        var currentPrice = prompt("Skriv den nuværende pris på varen:");
var offerPercentage = prompt("Skriv hvor stort tilbudet er i procent (uden % tegn):");

// Calculate the original price before the offer
var originalPrice = currentPrice / (1 - offerPercentage / 100);

// Calculate the amount of money saved
var moneySaved = originalPrice - currentPrice;

// Display the money saved in an alert
alert("Du sparer: " + moneySaved + " på produktet");
        break;
      // ... and so on for the rest of the options
      default:
        break;
    }
    // Show an alert with the chosen option
    alert("Du valgte: " + options[choiceNumber - 1]);
  } else {
    // Show an alert with an invalid choice
    alert("Vælg venligst et tal imellem 1 og 20.");
  }
};
// Create a search field and a button
var searchField = document.createElement("input");
searchField.type = "text";
searchField.placeholder = "Skriv dit regnestykke her!";

// Add some CSS to the search field
searchField.style.border = "2px solid black"; // Give it a black border
searchField.style.borderRadius = "10px"; // Make it have rounded edges
searchField.style.padding = "5px"; // Add some space inside the field

var searchButton = document.createElement("button");
searchButton.textContent = "Udregn";
searchButton.onclick = function() {
  // Get the value of the search field
  var query = searchField.value;
  // Replace spaces with "+" to make the query more accurate
  query = query.replace(/\s/g, "+");
  // Encode the query to prevent special characters from being deleted
  query = encodeURIComponent(query);
  // Create a Google window inside the current window
  var googleWindow = window.open("https://www.google.com/search?q=" + query, "Google", "width=800, height=600");
};

// Add some CSS to the button
searchButton.style.border = "2px solid black"; // Give it a black border
searchButton.style.borderRadius = "10px"; // Make it have rounded edges
searchButton.style.padding = "5px"; // Add some space inside the button
searchButton.style.marginLeft = "10px"; // Add some space between the button and the field

// Create a div element to wrap the search field and the button
var searchDiv = document.createElement("div");

// Add some CSS to the div element
searchDiv.style.position = "fixed"; // Make it fixed on the screen
searchDiv.style.top = "70px"; // Position it 10 pixels from the top
searchDiv.style.right = "675px"; // Position it 10 pixels from the right

// Append the search field and the button to the div element
searchDiv.appendChild(searchField);
searchDiv.appendChild(searchButton);

// Append the div element to the document body
document.body.appendChild(searchDiv);