在JavaScript中实现手机号码抽奖功能,通常涉及以下几个基础概念和技术点:
以下是一个简单的随机抽奖示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>手机号码抽奖</title>
</head>
<body>
<button id="drawButton">开始抽奖</button>
<div id="result"></div>
<script>
const phoneNumbers = [
'13800138000', '13800138001', '13800138002', '13800138003',
'13800138004', '13800138005', '13800138006', '13800138007'
];
document.getElementById('drawButton').addEventListener('click', () => {
const randomIndex = Math.floor(Math.random() * phoneNumbers.length);
const winningNumber = phoneNumbers[randomIndex];
document.getElementById('result').innerText = `中奖号码是:${winningNumber}`;
});
</script>
</body>
</html>
通过以上方法,可以实现一个功能完善且用户体验良好的手机号码抽奖系统。
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