因为不能插入视频，所以给大家一张一张截图的
点击“重新开始一局游戏”
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<button type="button" id="reset">重新开始一局游戏</button>
<br>
请输入要猜的数字：<input type="text" id="number">
<button type="button" id="button">猜</button>
<br>
已经猜的次数：<span id="count">0</span>
<br>
结果：<span id="result"></span>
</body>
<script>
var inputE = document.querySelector("#number");
var countE = document.querySelector("#count");
var resultE = document.querySelector("#result");
var btn = document.querySelector("#button");
var resetBtn = document.querySelector("#reset");
// 随机生成一个 1-100 的数字
var guessNumber = Math.floor(Math.random() * 100) + 1
var count = 0;
btn.onclick = function() {
count++;
countE.innerText = count;
var userGuess = parseInt(inputE.value);
if (userGuess == guessNumber) {
resultE.innerText = "猜对了";
resultE.style = "color: gray;";
} else if (userGuess < guessNumber) {
resultE.innerText = "猜小了";
resultE.style = "color: blue;";
} else {
resultE.innerText = "猜大了";
resultE.style = "color: red;";
}
};
resetBtn.onclick = function() {
guessNumber = Math.floor(Math.random() * 100) + 1
count = 0;
countE.innerText = count;
resultE.innerText = "";
inputE.value = "";
}
</script>
</html>标签：count,Web,document,JavaScript,案例,innerText,querySelector,var,resultE From： https://blog.csdn.net/m0_74164458/article/details/137185820