写了一个手速反应测试器，鹿友们可以来试一下-超级鹿

运行效果点击：
代码如下：
<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>超级鹿手速反应测试器</title>
    <style>
        #reactionTester {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
            font-family: Arial, sans-serif;
            transition: background-color 0.5s;
            text-align: center;
            padding: 20px;
            box-sizing: border-box;
        }
        #reactionTester #header {
            margin-bottom: 20px;
        }
        #reactionTester #header img {
            width: 50%; /* 图片宽度设为原来的一半 */
        }
        #reactionTester #controls {
            margin-bottom: 20px;
        }
        #reactionTester #startButton, #reactionTester #endButton {
            padding: 20px;
            font-size: 18px;
            cursor: pointer;
            border: none;
            outline: none;
            width: 100%;
            max-width: 300px;
        }
        #reactionTester #endButton {
            display: none;
        }
        #reactionTester #timer {
            font-size: 24px;
            margin-bottom: 20px;
        }
        #reactionTester #scores {
            margin-top: 20px;
            font-size: 18px;
            width: 100%;
            max-width: 300px;
        }
        #reactionTester #instructions {
            margin-bottom: 20px;
            font-size: 18px;
        }
        #reactionTester #footer {
            margin-top: 20px;
            font-size: 16px;
        }
        @media (max-width: 600px) {
            #reactionTester #startButton, #reactionTester #endButton {
                padding: 15px;
                font-size: 16px;
            }
            #reactionTester #timer {
                font-size: 20px;
            }
            #reactionTester #scores {
                font-size: 16px;
            }
            #reactionTester #instructions {
                font-size: 16px;
            }
            #reactionTester #footer {
                font-size: 14px;
            }
        }
    </style>
</head>
<body>
    <div id="reactionTester">
        <div id="header">
            <a href="https://www.chaojilu.com" target="_blank">
                <img src="https://www.chaojilu.com/wp-content/uploads/2024/06/logo604x144t.png" alt="超级鹿博客">
            </a>
        </div>
        <div id="instructions">
            点击“开始测试”按钮后，页面颜色会在随机时间后改变。<br>看到颜色变化后，尽快点击“结束测试”按钮，测量你的反应时间。
        </div>
        <div id="controls">
            <button id="startButton">开始测试</button>
            <button id="endButton">结束测试</button>
        </div>
        <div id="timer">0 ms</div>
        <div id="scores">
            <h2>最近五次的记录</h2>
            <ul id="scoreList"></ul>
        </div>
        <div id="footer">
            本页面由<a href="https://www.chaojilu.com" target="_blank">超级鹿博客</a>提供
        </div>
    </div>

    <script>
        let startButton = document.getElementById('startButton');
        let endButton = document.getElementById('endButton');
        let timerDisplay = document.getElementById('timer');
        let scoreList = document.getElementById('scoreList');
        let startTime, endTime, timerInterval;
        let scores = [];

        startButton.addEventListener('click', function() {
            startButton.style.display = 'none';
            endButton.style.display = 'block';
            timerDisplay.textContent = '0 ms';

            let randomTime = Math.floor(Math.random() * 5000) + 1000; // 1 to 6 seconds
            setTimeout(function() {
                document.body.style.backgroundColor = getRandomColor();
                startTime = new Date();
                timerInterval = setInterval(updateTimer, 10);
            }, randomTime);
        });

        endButton.addEventListener('click', function() {
            endTime = new Date();
            clearInterval(timerInterval);
            let reactionTime = endTime - startTime;
            let evaluation = evaluateReactionTime(reactionTime);
            alert('你的反应时间是 ' + reactionTime + ' 毫秒。' + evaluation);
            document.body.style.backgroundColor = '';
            startButton.style.display = 'block';
            endButton.style.display = 'none';

            // 记录得分和评价
            scores.unshift({ time: reactionTime, evaluation: evaluation });
            if (scores.length > 5) scores.pop();
            updateScoreList();
        });

        function updateTimer() {
            let currentTime = new Date();
            timerDisplay.textContent = (currentTime - startTime) + ' ms';
        }

        function getRandomColor() {
            let letters = '0123456789ABCDEF';
            let color = '#';
            for (let i = 0; i < 6; i++) {
                color += letters[Math.floor(Math.random() * 16)];
            }
            return color;
        }

        function updateScoreList() {
            scoreList.innerHTML = '';
            scores.forEach((score, index) => {
                let listItem = document.createElement('li');
                listItem.textContent = '第 ' + (index + 1) + ' 次: ' + score.time + ' ms - ' + score.evaluation;
                scoreList.appendChild(listItem);
            });
        }

        function evaluateReactionTime(reactionTime) {
            if (reactionTime < 200) {
                return '手速非常快，堪比火箭发射！';
            } else if (reactionTime < 300) {
                return '手速很快，表现优异！';
            } else if (reactionTime < 500) {
                return '手速不错，继续加油！';
            } else if (reactionTime < 700) {
                return '反应时间稍慢，可以更快！';
            } else {
                return '手速很慢，你的老蹄子该锻炼了！。';
            }
        }
    </script>
</body>
</html>
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