Average Calculator

Calculate the average of two numbers with light/dark mode for easy use. Please use Tampermonkey to install this script.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Average Calculator
// @version      1.3
// @description  Calculate the average of two numbers with light/dark mode for easy use. Please use Tampermonkey to install this script.
// @match        *://*/*
// @grant        none
// @author       Codification
// @require      https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js
// @license MIT
// @namespace https://sites.google.com/view/codification-
// ==/UserScript==

(function() {
  'use strict';
  var html = `
    <div id="average-calculator" style="position: fixed; bottom: 20px; left: 20px; background-color: #fff; border: 1px solid #ccc; border-radius: 5px; padding: 20px; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);">
      <h2 id="calculator-title" style="margin-top: 0; color: #333;">Average Calculator</h2>
      <input type="number" id="num1" placeholder="Number 1" style="width: 100%; margin-bottom: 10px; padding: 8px; border-radius: 4px; border: 1px solid #ddd; box-sizing: border-box;">
      <input type="number" id="num2" placeholder="Number 2" style="width: 100%; margin-bottom: 10px; padding: 8px; border-radius: 4px; border: 1px solid #ddd; box-sizing: border-box;">
      <button id="calculate" style="background-color: #4CAF50; color: #fff; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer;">Calculate Average</button>
      <p id="result" style="margin-top: 10px;"></p>
      <button id="dark-mode-toggle" style="position: absolute; top: 10px; right: 10px; background-color: #333; color: #fff; padding: 5px; border: none; border-radius: 50%; cursor: pointer;">🌙</button>
    </div>
  `;
  $('body').append(html);

  $('#num1, #num2').on('keydown', function(event) {
    if (event.key === 'Enter') {
      event.preventDefault();
      $('#calculate').click();
    }
  });

  $('#calculate').on('click', function() {
    var num1 = parseInt($('#num1').val(), 10);
    var num2 = parseInt($('#num2').val(), 10);
    if (isNaN(num1) || isNaN(num2)) {
      $('#result').html('<span style="color: #b50000;">Please enter valid numbers</span>');
    } else {
      var average = (num1 + num2) / 2;
      $('#result').html(`The average is: <span style="color: #4CAF50;">${average}</span>`);
    }
  });

  $('#dark-mode-toggle').on('click', function() {
    var calculator = $('#average-calculator');
    calculator.toggleClass('dark-mode');
    calculator.find('button').toggleClass('dark-mode-button');
    calculator.find('input').toggleClass('dark-mode-input');
    calculator.find('p').toggleClass('dark-mode-paragraph');
    var title = $('#calculator-title');

    if (calculator.hasClass('dark-mode')) {
      calculator.css('background-color', '#333');
      calculator.find('button').css('background-color', '#fff');
      calculator.find('button').css('color', '#333');
      calculator.find('input').css('background-color', '#444');
      calculator.find('input').css('color', '#fff');
      calculator.find('p').css('color', '#fff');
      title.css('color', '#fff');
      $('#dark-mode-toggle').html('☀️');
    } else {
      calculator.css('background-color', '#fff');
      calculator.find('button').css('background-color', '#4CAF50');
      calculator.find('button').css('color', '#fff');
      calculator.find('input').css('background-color', '#fff');
      calculator.find('input').css('color', '#333');
      calculator.find('p').css('color', '#333');
      title.css('color', '#333');
      $('#dark-mode-toggle').html('🌙');
    }
  });
})();