Html5 之拖动

编写代码

<!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>
        
        #box{
            width: 613px;
            /* height: 904px; */
            border: orangered 1px solid;
            /* margin: 0px; */
            display:flex;
            flex-wrap:wrap;
            flex-direction: row;
            justify-content: center;
            align-items: center;
            /* box-sizing:content-box; */
            padding: 1px;
            
            
        }
        #box div{
            
            width: 200px;
            height: 200px;
            background-color: pink;
            border:black 1px solid;
            border-radius: 10px;
            text-align: center;
            line-height: 200px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            box-sizing:content-box;
            margin: 1px;
            

        }

    </style>
</head>
<body>
    <div id="content">
        <h1>--------拖动(10.26)--------</h1>
    
        <div id="box">
            <div>1</div>
            <div>2</div>
            <div>3</div>
            <div>4</div>
            <div>5</div>
            <div>6</div>
            <div>7</div>
            <div>8</div>
            <div>9</div>

        </div>
</div>
<script>
    let dragDiv=null;
    function dragstart(){
        dragDiv=event.target;
    }
    function drop(){
        let dragId=event.target.innerText;
        event.target.innerText=dragDiv.innerText;
        dragDiv.innerText=dragId;

    }
    function dragover(){
        event.preventDefault();
    }
    window.addEventListener('load',function(){
        let divs=document.getElementById('box').getElementsByTagName('div')
        console.log(divs);
        for(let div of divs){
            console.log(div);
            div.draggable="true";
            // div.dragstart=dragstart;
            div.ondragstart=dragstart;
            div.ondragover=dragover;
            div.ondrop=drop;

        }
    })
</script>
</body>
</html>

运行结果


posted @ 2021-08-15 17:29  阿向向  阅读(88)  评论(0编辑  收藏  举报