js实现简易年历

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        ul,
        li {
            list-style: none;
        }

        #box {
            width: 300px;
            height: 500px;
            margin: 0 auto;
            background-color: gray;
            padding: 20px;
            overflow: hidden;
        }

        #box .motherbox {
            width: 350px;
            height: 350px;
        }

        .sel li {
            width: 80px;
            height: 80px;
            background-color: black;
            float: left;
            margin: 0 10px 10px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 18px;
            font-weight: bolder;
        }

        #box .sel .active {
            border: 1px solid black;
            color: crimson;
            background-color: white;
        }

        #box .activity {
            width: 260px;
            padding: 10px;
            background-color: rgb(201, 197, 197);
        }

        #box .activity strong {
            display: block;
            margin-bottom: 5px;
        }
    </style>
</head>

<body>
    <div id="box">
        <div class="motherbox">
            <ul class="sel">
                <li>
                    <em>1</em>
                    <strong>JAN</strong>
                </li>
                <li>
                    <em>2</em>
                    <strong>FER</strong>
                </li>
                <li>
                    <em>3</em>
                    <strong>MAR</strong>
                </li>
                <li>
                    <em>4</em>
                    <strong>APR</strong>
                </li>
                <li>
                    <em>5</em>
                    <strong>MAY</strong>
                </li>
                <li>
                    <em>6</em>
                    <strong>JUN</strong>
                </li>
                <li>
                    <em>7</em>
                    <strong>JUL</strong>
                </li>
                <li>
                    <em>8</em>
                    <strong>AUG</strong>
                </li>
                <li>
                    <em>9</em>
                    <strong>SEP</strong>
                </li>
                <li>
                    <em>10</em>
                    <strong>OCT</strong>
                </li>
                <li>
                    <em>11</em>
                    <strong>NOV</strong>
                </li>
                <li>
                    <em>12</em>
                    <strong>DEC</strong>
                </li>
            </ul>
        </div>
        <p class="activity">
            <strong>1月活动</strong>
            <span>快过年了,大家可以商量着去哪里玩吧~</span>
        </p>
    </div>
</body>

</html>
<script>
    var arr = ["元旦:1月1日至3日放假三天。", "春节:2月2日至8日放假7天。", "妇女节:3月8日妇女节,与我无关。", "清明节:4月3日至5日放假3天", "劳动节:4月30日至5月2日放假3天。", "端午节:6月4日至6日放假3天。", "小暑:7月7日小暑。不放假。", "七夕节:8月6日七夕节。不放假。", "中秋节:9月10日至12日放假3天。", "国庆节:10月1日至7日放假7天。", "立冬:11月8日立冬。不放假。", "废除奴隶制国际日:12月2日。"]
    var oli = document.querySelectorAll("li");
    var ostr = document.querySelector(".activity strong")
    var ospan = document.querySelector("span");
    console.log(ostr)
    for (var i = 0; i < oli.length; i++) {
        oli[i].index = i;
        oli[i].onclick = function () {
            for (var i = 0; i < oli.length; i++) {
                oli[i].className = "";//清空格式,否则点击过的都会为active的样式
            }
            this.className = "active";//点击时按钮的样式
            for (var j = 0; j < arr.length; j++) {
                ospan.innerHTML = arr[this.index];//点击按钮时span内容改变
                ostr.innerHTML = this.index + 1;//点击按钮时strong内容发生改变
            }
        }
    }
</script>

posted on 2020-05-29 22:56  被窝暖暖嘻嘻嘻  阅读(350)  评论(0编辑  收藏  举报

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