Okay so I just started with the game.Actually just started is a huge lie because I am struggeling since 10:00 and we now have 17:00.I used a tutorial and tried to just start basic with making a little jumping game but the objects …They do not exist because the whole generating thing does not work .I first need to get everything working before upgrading the graphics and stuff.I really would like some help! CSS:#background {    position: absolute;    background-image: url('https://files.catbox.moe/xqsbzm.png');    height: 200px;    width: 100%;    animation: slideright 600s infinite linear;    bottom: 0;}.wendy {    background-image: url('https://files.catbox.moe/u52u37.png');    height: 60px;    width: 60px;    position: absolute;    bottom: 0;}.obstacle {    background-image: url('https://files.catbox.moe/n5f03w.png');    width: 60px;    height: 60px;    position: absolute;    bottom: 0;}@keyframes slideright {    from {        background-position: 0 0;    }    to {        background-position: -10000px 0;     }} HTML:<div id="gameWindow">      <div  class="base5">        <div class="symbolegame">          <p id="galerieWindowheader">  <img src="https://i.imgur.com/Y4OL1On.gif"></p>          <p style="cursor: pointer" id="gameclose"><img src="https://i.imgur.com/q5TmYNg.gif"></p>          <p style="cursor: pointer" id="gameopen"><img src="https://i.imgur.com/3nBda2J.gif"></p>        </div>        <div id="background">          <h6 id="alert"></h6>           <div class="wendy"></div>          <div class="grid"></div>          </div>        </div>                  </div>    </div> JS:document.addEventListener('DOMContentLoaded', () => {  const wendy = document.querySelector('.wendy')  const grid = document.querySelector('.grid')  const alert = document.getElementById('alert')  let gravity = 0.9  let isJumping = false  let isGameOver = false  function control(e) {    if (e.code === "Space") {      if (!isJumping) {        jump()      }    }  }  document.addEventListener('keydown', control)  let position = 0  function jump() {    isJumping = true    let count = 0    let timerId = setInterval(function () {      //move down      if (count === 15) {        clearInterval(timerId)        let downTimerId = setInterval(function () {          if (count === 0) {            clearInterval(downTimerId)            isJumping = false          }          position -= 5          count--          position = position * gravity          wendy.style.bottom = position + 'px'        }, 20)      }      //move up      position += 20      count++      position = position * gravity      wendy.style.bottom = position + 'px'    }, 20)  }  function generateObstacles() {    if (!isGameOver) {      let randomTime = Math.random() * 4000      let obstaclePosition = 1000      const obstacle = document.createElement('div')      obstacle.classList.add('obstacle')      grid.appendChild(obstacle)      obstacle.style.left = obstaclePosition + 'px'      let timerId = setInterval(function () {        if (obstaclePosition > 0 && obstaclePosition < 60 && position < 60) {          clearInterval(timerId)          alert.innerHTML = 'Game Over'          isGameOver = true          //remove all children          while (grid.firstChild) {            grid.removeChild(grid.lastChild)          }        }        obstaclePosition -= 10        obstacle.style.left = obstaclePosition + 'px'      }, 20)            setTimeout(generateObstacles, randomTime)    }  }  generateObstacles()}) Thanks for reading<3