Привет :) Я пытаюсь сделать небольшую игру «Угадай число» на JS, чтобы наконец-то выучить этот язык, и хотя функциональность реализована, у меня есть некоторые проблемы с добавлением кнопки, сгенерированной JS, в контейнер div вместо тела .
let randomNumber = Math.floor(Math.random() * 100) + 1;
const guesses = document.querySelector(".guesses");
const lastResult = document.querySelector(".lastResult");
const lowOrHi = document.querySelector(".lowOrHi");
const guessField = document.querySelector(".guessField");
const guessSubmit = document.querySelector(".guessSubmit");
let guessCount = 1;
let resetButton;
guessField.focus();
function checkGuess() {
let userGuess = Number(guessField.value);
if (guessCount === 1) {
guesses.textContent = "Previous guesses: ";
}
guesses.textContent += userGuess + " ";
function setGameOver() {
guessField.disabled = true;
guessSubmit.disabled = true;
resetButton = document.createElement('button');
resetButton.textContent = 'Start new game';
document.body.append(resetButton);
resetButton.addEventListener('click', resetGame);
}
function resetGame() {
guessCount = 1;
const resetParas = document.querySelectorAll('.resultParas p');
for (let i = 0; i < resetParas.length; i++) {
resetParas[i].textContent = '';
}
resetButton.parentNode.removeChild(resetButton);
guessField.disabled = false;
guessSubmit.disabled = false;
guessField.value = '';
guessField.focus();
lastResult.style.backgroundColor = 'white';
randomNumber = Math.floor(Math.random() * 100) + 1;
}
if (userGuess === randomNumber) {
lastResult.textContent = "Congratulations! You got it right.";
lastResult.style.backgroundColor = "green";
lowOrHi.textContent = " ";
setGameOver();
} else if (guessCount === 10) {
lastResult.textContent = "Game over! No more turns!";
setGameOver();
} else {
lastResult.textContent = "Wrong";
lastResult.style.backgroundColor = "red";
if (userGuess < randomNumber) {
lowOrHi.textContent = "Your last guess was too low!";
} else if (userGuess > randomNumber) {
lowOrHi.textContent = "Your last guess was too high!";
}
}
guessCount++;
guessField.value = " ";
guessField.focus();
}
guessSubmit.addEventListener("click", checkGuess);
<link href = "https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel = "stylesheet" integrity = "sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin = "anonymous">
<div class = "container">
<h1 id = "main_header">Number guessing game</h1>
<p>We have selected a random number between 1 and 100. See if you can guess it in 10 turns or fewer. We'll tell you if your guess was too high or too low.</p>
<div class = "form">
<label for = "guessField">Enter a guess: </label>
<input type = "text" id = "guessField" class = "guessField">
<input type = "submit" value = "Submit guess" class = "guessSubmit">
</div>
<div class = "resultParas">
<p class = "guesses"></p>
<p class = "lastResult"></p>
<p class = "lowOrHi"></p>
</div>
</div>
Мне бы очень хотелось, чтобы эта кнопка «Начать новую игру» находилась внутри div с остальными элементами, чтобы я мог сделать ее немного красивее.
Просто найдите родительский div:
const yourDiv = document.getElementById('yourDivId');
И затем добавьте к нему кнопку:
yourDiv.appendChild(resetButton);
Вы можете получить элемент, который хотите прикрепить к кнопке, используя функцию document.getElementsbyClassName
, а затем добавить к ней:
В следующем примере я прикрепил элемент к классу div form
.
let randomNumber = Math.floor(Math.random() * 100) + 1;
const guesses = document.querySelector(".guesses");
const lastResult = document.querySelector(".lastResult");
const lowOrHi = document.querySelector(".lowOrHi");
const guessField = document.querySelector(".guessField");
const guessSubmit = document.querySelector(".guessSubmit");
let guessCount = 1;
let resetButton;
guessField.focus();
function checkGuess() {
let userGuess = Number(guessField.value);
if (guessCount === 1) {
guesses.textContent = "Previous guesses: ";
}
guesses.textContent += userGuess + " ";
function setGameOver() {
guessField.disabled = true;
guessSubmit.disabled = true;
resetButton = document.createElement('button');
resetButton.textContent = 'Start new game';
formElem = document.getElementsByClassName("form")[0]
formElem.append(resetButton);
resetButton.addEventListener('click', resetGame);
}
function resetGame() {
guessCount = 1;
const resetParas = document.querySelectorAll('.resultParas p');
for (let i = 0; i < resetParas.length; i++) {
resetParas[i].textContent = '';
}
resetButton.parentNode.removeChild(resetButton);
guessField.disabled = false;
guessSubmit.disabled = false;
guessField.value = '';
guessField.focus();
lastResult.style.backgroundColor = 'white';
randomNumber = Math.floor(Math.random() * 100) + 1;
}
if (userGuess === randomNumber) {
lastResult.textContent = "Congratulations! You got it right.";
lastResult.style.backgroundColor = "green";
lowOrHi.textContent = " ";
setGameOver();
} else if (guessCount === 10) {
lastResult.textContent = "Game over! No more turns!";
setGameOver();
} else {
lastResult.textContent = "Wrong";
lastResult.style.backgroundColor = "red";
if (userGuess < randomNumber) {
lowOrHi.textContent = "Your last guess was too low!";
} else if (userGuess > randomNumber) {
lowOrHi.textContent = "Your last guess was too high!";
}
}
guessCount++;
guessField.value = " ";
guessField.focus();
}
guessSubmit.addEventListener("click", checkGuess);
<!DOCTYPE html>
<html>
<head>
<meta charset = "utf-8">
<title>Number guessing game</title>
<link rel = "stylesheet" href = "style.css">
<link href = "https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel = "stylesheet" integrity = "sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin = "anonymous">
<style>
@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:wght@300;400;500;700&display=swap');
</style>
</head>
<body>
<div class = "container">
<h1 id = "main_header">Number guessing game</h1>
<p>We have selected a random number between 1 and 100. See if you can guess it in 10 turns or fewer. We'll tell you if your guess was too high or too low.</p>
<div class = "form">
<label for = "guessField">Enter a guess: </label>
<input type = "text" id = "guessField" class = "guessField">
<input type = "submit" value = "Submit guess" class = "guessSubmit">
</div>
<div class = "resultParas">
<p class = "guesses"></p>
<p class = "lastResult"></p>
<p class = "lowOrHi"></p>
</div>
</div>
<script src = "script.js" defer></script>
<script src = "https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity = "sha384-ygbV9kiqUc6oa4msXn9868pTtWMgiQaeYH7/t7LECLbyPA2x65Kgf80OJFdroafW" crossorigin = "anonymous"></script>
</body>
</html>