点击文字左右移动 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            font-family: "Microsoft YaHei";
        }

        body {
            background: linear-gradient(#A1E6E9 0%, #fff 100%) no-repeat;
            min-height: 400px;
        }

        .wrap_box {
            width: 700px;
            overflow: hidden;
            margin: 20px auto;
            background: #5AB1FD;
            border-radius: 5px;
            padding: 10px;
            font-size: 14px;
        }

        .wrap_box > * {
            float: left;
            margin: 10px;

        }

        ul {
            height: 400px;
            width: 240px;
            border-radius: 5px;
            background: #fff;
            border: 2px solid #2d88d7;
            padding: 7px;
            line-height: 30px;
        }

        ul li {
            padding: 5px 20px;
            list-style: none;
            border-radius: 6px;
            cursor: pointer;
        }

        li:nth-child(odd) {
            background: #e6f1f7;
        }

        ul .active {
            background: #5AB1FD;
            color: #fff;
        }

        .btn {
            background: #2d88d7;
            border-radius: 5px;
            padding: 20px;
            color: #fff;
            text-align: center;
            margin-bottom: 20px;
            cursor: pointer;
            margin-top: 20px;
        }

        .btn:hover {
            background: #227ac7;
        }

        .btn span {
            font-size: 40px;
            line-height: 30px;
        }

    </style>
</head>
<body>
<div class="wrap_box">
    <ul class="left">
        <li>javascript</li>
        <li>Css</li>
        <li>HTML</li>
        <li>Less</li>
        <li>Sass</li>
    </ul>
    <div class="middle">
        <div class="btn">
            <span>→</span>
            <p>把文字右移</p>
        </div>
        <div class="btn">
            <span>←</span>
            <p>把文字左移</p>
        </div>
    </div>
    <ul class="right">
        <li>PHP</li>
        <li>Java</li>
        <li>Node</li>
        <li>C#</li>
        <li>.Net</li>
    </ul>
</div>


<script>

    var moveBtn = document.getElementsByClassName('btn');
    var allList = document.getElementsByTagName('li');
    var leftList = document.getElementsByClassName('left')[0].getElementsByTagName('li');
    var rightList = document.getElementsByClassName('right')[0].getElementsByTagName('li');
    var leftInput = document.getElementsByClassName('left')[0];
    var rightInput = document.getElementsByClassName('right')[0];

    //选中的时候
    for(var  i=0;i<allList.length;i++){
        allList[i].onclick=function(){
            this.className = this.className?"":"active"; // 当我们点击的时候，给当前项添加一个active的类名；           
        }
    }
    //当我们点击向右的时候
    moveBtn[0].onclick=function(){
    
        for(var i=0;i<leftList.length;i++){
            console.log(1)
            if(leftList[i].className=='active'){
                var aDom=document.getElementsByClassName('left')[0].getElementsByClassName('active');
                var cloneDom=[];
                
                for(var j=0;j<aDom.length;j++){
                    cloneDom.push(aDom[j]);
                }
                for(var j=0,len=cloneDom.length;j<len;j++){
                    cloneDom[j].className='';
                    rightInput.appendChild(cloneDom[j]);
                }
            }
        }
    };
    //点击向左的时候
    moveBtn[1].onclick=function(){
        for(var i=0;i<rightList.length;i++){
            if(rightList[i].className=='active'){
                var aDom=document.getElementsByClassName('right')[0].getElementsByClassName('active');
                var cloneDom=[];
                
                for(var j=0;j<aDom.length;j++){
                    cloneDom.push(aDom[j]);
                }
                for(var j=0,len=cloneDom.length;j<len;j++){
                    cloneDom[j].className='';
                    leftInput.appendChild(cloneDom[j])
                }

            }
        }
    }


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

　　

posted @ 2018-10-30 17:47  花生奶糖  阅读(188)  评论(0)  编辑  收藏  举报