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- JavaScript web APIs第一天——04-code——06-随机抽奖案例.html
html_1">JavaScript web APIs第一天——04-code——06-随机抽奖案例.html
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<html lang="en"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>年会抽奖</title><style>.wrapper {width: 840px;height: 420px;background: url(./images/bg01.jpg) no-repeat center / cover;padding: 100px 250px;box-sizing: border-box;}</style>
</head><body><div class="wrapper"><strong>XX公司年会抽奖</strong><h1>一等奖：<span id="one">???</span></h1><h3>二等奖：<span id="two">???</span></h3><h5>三等奖：<span id="three">???</span></h5></div><script>// 1.声明数组const personArr = ['周杰伦', '刘德华', '周星驰', 'Pink老师', '张学友']// 2. 先做一等奖// 2.1 随机数 数组的下标const random = Math.floor(Math.random() * personArr.length)// console.log(personArr[random])// 2.2 获取one 元素 const one = document.querySelector('#one')// 2.3 把名字给 oneone.innerHTML = personArr[random]// 2.4 删除数组这个名字personArr.splice(random, 1)// console.log(personArr)// 3. 二等奖// 2.1 随机数 数组的下标const random2 = Math.floor(Math.random() * personArr.length)// console.log(personArr[random])// 2.2 获取one 元素 const two = document.querySelector('#two')// 2.3 把名字给 onetwo.innerHTML = personArr[random2]// 2.4 删除数组这个名字personArr.splice(random2, 1)// 4. 三等奖// 2.1 随机数 数组的下标const random3 = Math.floor(Math.random() * personArr.length)// console.log(personArr[random])// 2.2 获取one 元素 const three = document.querySelector('#three')// 2.3 把名字给 onethree.innerHTML = personArr[random3]// 2.4 删除数组这个名字personArr.splice(random3, 1)</script>
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ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ ᅟᅠ
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