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最新推荐文章于 2024-09-11 11:00:10 发布

赵羽珩

最新推荐文章于 2024-09-11 11:00:10 发布

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这里写图片描述

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <style media="screen">
        #div {
            width: 100px;
            height: 100px;
            border: 1px solid red;
        }
    </style>
</head>
<body>
    输入属性名<input id="text1" type="text"> <br>
    输入属性值<input id="text2" type="text">
    <input id="btn" type="button" value="提交">
    <div id="div">JS中的.用[]代替</div>
    <script type="text/javascript">
        var oText1 = document.getElementById('text1');
        var oText2 = document.getElementById('text2');
        var oBtn = document.getElementById('btn');
        var oDiv = document.getElementById('div');

        oBtn.onclick = function () {
            oDiv.style[oText1.value] = oText2.value;
        }
    </script>
</body>
</html>

这里写图片描述

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <style media="screen">
        #p {
            font-size: 15px;
        }
        .red {
            width: 300px;
            border: 10px solid #333;
            background-color: red;
        }
    </style>
</head>
<body>
    <input id="btn1" type="button" value="-">
    <input id="btn2" type="button" value="+">
    <input id="btn3" type="button" value="hong">
    <p id="p">俩个按钮+一个变量num = 15px 完成一段文字字号的放大与缩小<br><br>注意：JS中不能出现“-”<br>font-size写在JS里要fontSize <br>padding-top写在JS里要paddingTop <br>margin-left写在JS里要marginLeft</p>
    <script type="text/javascript">
        var oP = document.getElementById('p');
        var oBtn1 = document.getElementById('btn1');
        var oBtn2 = document.getElementById('btn2');
        var oBtn3 = document.getElementById('btn3');
        var num = 15;
        oBtn2.onclick = function () {
            if (num < 20) {
                num ++;
                oP.style.fontSize = num +'px'
            }
        }
        oBtn1.onclick = function () {
            num --;
            oP.style.fontSize = num +'px'
        }
        oBtn3.onclick = function () {
            oP.className = 'red'
        }
    </script>
</body>
</html>

这里写图片描述

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <style media="screen">
        #div {
            width: 240px;
            height: 200px;
            border: 1px solid #333;
        }
    </style>
</head>
<body>
    <div id="div"></div>
    <span id="span">妙味：</span>
    <input id="text" type="text">
    <input id="btn" type="button" value="提交">
    <script type="text/javascript">
        var oBtn = document.getElementById('btn');
        var oSpan = document.getElementById('span');
        var oText = document.getElementById('text');
        var oDiv = document.getElementById('div');

        oBtn.onclick = function () {
            oDiv.innerHTML = oDiv.innerHTML + oSpan.innerHTML + oText.value +'<br>';
            oText.value = '';
        }

    </script>
</body>
</html>

这里写图片描述

鼠标点击图片转换

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <img id="img" src="images/1.jpg" alt="">
    <script type="text/javascript">
        var oImg = document.getElementById('img');
        var onOff = true;
        oImg.onclick = function () {
            if (this.onOff) {
                oImg.src = "images/1.jpg"
            }else {
                oImg.src = "images/2.jpg"
            }
            this.onOff = !this.onOff;
        }
    </script>
</body>
</html>

这里写图片描述

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style media="screen">
        * {
            margin: 0; padding: 0;
        }
        #content {
            width: 400px;
            height: 400px;
            border: 10px solid #ccc;
            margin: 40px auto 0px;
            position: relative;
        }
        #content a {
            width: 40px;
            height: 40px;
            background-color: #000;
            border: 5px solid #fff;
            position: absolute;
            top: 175px;
            text-align: center;
            text-decoration: none;
            line-height: 40px;
            font-size: 30px;
            color: #fff;
            opacity: 0.4;

        }
        #content a:hover {
            opacity: 0.9;
        }
        #prev {
            left: 10px;
        }
        #next {
            right: 10px;
        }
        #text {
            width: 400px;
            height: 30px;
            position: absolute;
            bottom: 0;
            left: 0;
            line-height: 30px;
            color: #fff;
            text-align: center;
            background-color: #000;
            opacity: 0.8;
        }
        #span {
            position: absolute;
            width: 400px;
            height: 30px;
            position: absolute;
            top: 0;
            left: 0;
            line-height: 30px;
            color: #fff;
            text-align: center;
            background-color: #000;
            opacity: 0.8;
        }
        #img {
            width: 400px;
            height: 400px;
        }
    </style>
</head>
<body>
    <div id="content">
        <a id="prev" href="javascript:void(0);"><</a>
        <a id="next" href="javascript:void(0);">></a>
        <p id="text">图片文字加载中...</p>
        <span id="span">数量正在计算中...</span>
        <img id="img" src="" alt="">
    </div>
    <script src="" charset="utf-8"></script>
    <script type="text/javascript">
        window.onload = function () {
            var content = document.getElementById('content');
            var oPrev = document.getElementById('prev');
            var oNext = document.getElementById('next');
            var oText = document.getElementById('text');
            var oSpan = document.getElementById('span');
            var oImg = document.getElementById('img');

            var arrUrl = ['images/1.jpg','images/2.jpg','images/3.jpg','images/4.jpg'];
            var arrText = ['内侄女1个','内侄女2个','内侄女3个','内侄女4个'];

            var num = 0;
            function fnTab() {
                oSpan.innerHTML = (num+1)+'/'+arrUrl.length;
                oImg.src = arrUrl[num];
                oText.innerHTML = arrText[num];
            }
            fnTab()

            oNext.onclick = function () {
                num ++;
                if (num == arrUrl.length) {
                    num = 0;
                }
                fnTab()
            }
            oPrev.onclick = function () {
                num --;
                if (num == -1) {
                    num = arrUrl.length-1;
                }
                fnTab()
            }
        }
    </script>
</body>
</html>

这里写图片描述

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style media="screen">
        * {
            margin: 0; padding: 0;
            list-style: none;
            background-color: #ccc;
        }
        #pic {
            width: 1200px;
            height: 450.23px;
            margin: 100px auto;
            background: url(img/loader_ico.gif) no-repeat center #fff;;
            position: relative;
        }
        #pic img{
            width: 1200px;
            height: 450.23px;
        }
        #pic span,#pic p {
            position: absolute;
            left: 0;
            width: 100%;
            height: 30px;
            line-height: 30px;
            background-color: #333;
            text-align: center;
            color: #fff;

        }
        #pic span {
            top: 0px;
        }
        #pic p {
            bottom: 0px;
        }
        #pic ul{
            position: absolute;
            top: 0;
            right: -60px;
        }
        #pic li{
            width: 40px;
            height: 40px;
            background-color: #666;
            margin-bottom: 5px;
        }
        #pic li.active{
            background-color: #fc3;
        }
    </style>
</head>
<body>
    <div id="pic">
        <img src="" width="1200" alt="">
        <span>数量正在加载中...</span>
        <p>文字说明正在加载中...</p>
        <ul></ul>
    </div>
    <script type="text/javascript">
        window.onload = function () {
            var oDiv = document.getElementById('pic');
            var oImg = oDiv.getElementsByTagName('img')[0];
            var oSpan = oDiv.getElementsByTagName('span')[0];
            var oP = oDiv.getElementsByTagName('p')[0];
            var oUl = oDiv.getElementsByTagName('ul')[0];
            var aLi = oUl.getElementsByTagName('li');

            var arrUrl = ['images/1.jpg','images/2.jpg','images/3.jpg','images/4.jpg'];
            var arrText = ['小米MIX','红米5A','小米圈铁耳机Pro','小米路由器3'];
            var num = 0;

            //求需要几个‘li’、最后加上aLiの获取元素
            for (var i = 0; i < arrUrl.length; i++) {
                oUl.innerHTML += '<li></li>';
            }
            //初始化
            oImg.src = arrUrl[num];
            oSpan.innerHTML = (num+1) + '/' + arrUrl.length;
            oP.innerHTML = arrText[num];
            aLi[num].className = 'active';
            //小方块的点击事件=>和图片更换
            for (var i = 0; i < aLi.length; i++) {
                aLi[i].index = i;
                aLi[i].onclick = function () {
                    oImg.src = arrUrl[this.index];
                    oSpan.innerHTML = (this.index+1)+'/'+ arrUrl.length;
                    oP.innerHTML = arrText[this.index];
                    for (var i = 0; i < aLi.length; i++) {
                        aLi[i].className = '';
                    }
                    this.className = 'active'
                }
            }
        }
    </script>
</body>
</html>

这里写图片描述

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <input id="btn" type="button" value="自动生成">
    <ul id="list">
    </ul>
    <script type="text/javascript">
        window.onload =function () {
            var oBtn = document.getElementById('btn');
            var oList = document.getElementById('list');

            var arr = [
                '简单搜索冲顶神器是什么 简单搜索冲顶神器怎么用 _pc6资讯',
                '简单搜索冲顶神器是什么?简单搜索冲顶神器怎么用?',
                '最近很多小伙伴都在玩答题赚钱的冲顶大会、百万英雄、芝士超人,',
                '答题神器怎么可以缺少,简单搜索冲顶神...'
            ]
            var onOff = true;
            oBtn.onclick = function () {
                if (onOff) {
                    for (var i = 0; i < arr.length; i++) {
                        oList.innerHTML += '<li>'+arr[i]+'</li>';
                    }
                }
                onOff = false;
            }
        }
    </script>
</body>
</html>