One Million Checkboxes - Checker; One Million Checkboxes - console script; One Million Checkboxes - Chrome console; One Million Checkboxes - Firefox console; Million Checkboxes - Console; One Million Checkboxes - working script

Fixed_CODE.js

// to copy and paste in your browser console after successfully loading https://onemillioncheckboxes.com/

let currentPosition;

function getRandomInt(min, max) {
  return Math.floor(Math.random() * (max - min + 1)) + min;
}

function getUncheckedCheckbox() {
  const uncheckedCheckboxes = document.querySelectorAll('input[type=checkbox]:not(:checked)');
  if (uncheckedCheckboxes.length === 0) return null;
  const randomIndex = getRandomInt(0, uncheckedCheckboxes.length - 1);
  return uncheckedCheckboxes[randomIndex];
}

function moveToPosition(newPosition = null) {
  const gridElement = document.querySelector('.grid');
  if (newPosition === null) {
    newPosition = getRandomInt(0, gridElement.scrollHeight);
  }
  gridElement.scrollTop = newPosition;
  currentPosition = newPosition;
  document.querySelector('button[type=submit]').click();
}

function executeWorkflow() {
  const nextCheckbox = getUncheckedCheckbox();
  if (nextCheckbox) {
    nextCheckbox.click();
  } else {
    moveToPosition(currentPosition - 1000);
  }
}

// Initialize the process by randomizing the initial position
moveToPosition();
const interval = setInterval(executeWorkflow, 300);

G*Explained code.js

// to copy and paste in your browser console after successfully loading https://onemillioncheckboxes.com/

let currentPosition;

/**
 * Generates a random integer between min (inclusive) and max (inclusive).
 * @param {number} min - The minimum value (inclusive).
 * @param {number} max - The maximum value (inclusive).
 * @return {number} A random integer between min and max.
 */
function getRandomInt(min, max) {
  return Math.floor(Math.random() * (max - min + 1)) + min;
}

/**
 * Selects a random unchecked checkbox from the list of unchecked checkboxes on the page.
 * @return {HTMLElement|null} A randomly selected unchecked checkbox, or null if all checkboxes are checked.
 */
function getUncheckedCheckbox() {
  const uncheckedCheckboxes = document.querySelectorAll('input[type=checkbox]:not(:checked)');
  if (uncheckedCheckboxes.length === 0) return null;
  const randomIndex = getRandomInt(0, uncheckedCheckboxes.length - 1);
  return uncheckedCheckboxes[randomIndex];
}

/**
 * Moves the grid container to a specified position. If no position is specified, a random position is chosen.
 * @param {number|null} newPosition - The position to scroll to. If null, a random position is chosen.
 */
function moveToPosition(newPosition = null) {
  const gridElement = document.querySelector('.grid');
  if (newPosition === null) {
    newPosition = getRandomInt(0, gridElement.scrollHeight);
  }
  gridElement.scrollTop = newPosition;
  currentPosition = newPosition;
  document.querySelector('button[type=submit]').click();
}

/**
 * Executes the main workflow: checks a random unchecked checkbox if available,
 * otherwise scrolls the grid container up by 1000 pixels.
 */
function executeWorkflow() {
  const nextCheckbox = getUncheckedCheckbox();
  if (nextCheckbox) {
    nextCheckbox.click();
  } else {
    moveToPosition(currentPosition - 1000);
  }
}

// Initialize the process by randomizing the initial position
moveToPosition();
const interval = setInterval(executeWorkflow, 300);