• 原生js实现简单的模态框


    html部分:

    <img src="images/8.jpg" alt="">
     <button class="btn" id="showMax">显示大图</button> 
      <div id="modalBox" class="modalBox">
       <div class="modalBox-matter">
            <header class="modalBox-header">
                <span class="mtclose">×</span>
            </header> 
            <div class="modalBox-body">

        <img src="images/8-1.jpg">

      </div>
     </div>
    </div>

    js部分:

    var btn = document.getElementById('showMax'); 
       var mtclose = document.getElementsByClassName('mtclose')[0];
       var modalBox = document.getElementById('modalBox'); 
       btn.addEventListener('click', function(){ 
           modalBox.style.display = "block"; 
       }); 
       mtclose.addEventListener('click', function(){ 
           modalBox.style.display = "none"; 
       });

    css部分:

    .btn{
        100px; 
        height: 35px; 
        border-radius: 5px; 
        font-size: 16px; 
        color: #F97B39;

     position: absolute;
        top: 130px;
        left: 160px;
        opacity: 0.2;
        cursor: pointer; /*鼠标小手*/

    .btn:hover, .btn:focus{  /*focus 取得焦点状态*/
        background-color: #8AA7F9;
        opacity: 0.5;
        color: #FFFFFF;

    .modalBox{ 
        display: none; 
        100%; 
        height: 100%; 
        position: fixed; 
        left: 0; 
        top: 0; 
        z-index: 1000; 
        background-color: rgba(0,0,0,0.5);
    }

    .modalBox-matter{  
        display: flex;      /*/*弹性布局*/
        flex-flow: column nowrap; 
        justify-content: space-between;      /*两端对齐*/
        50%;  
        height: 80%;
        margin: 30px auto 100px; 
        border-radius:10px;
        -webkit-animation: zoom 0.6s; 
        animation: zoom 0.6s; 
        resize: both; 
        overflow: auto; 
    }

    @keyframes zoom{ 
        from {transform: scale(0)} 
        to {transform: scale(1)} 
    }

    .modalBox-header{

      margin-left: 617px;
    }

    .mtclose{
       color: #602E2A; 
       font-size: 3em; 
       font-weight: bold;  
       transition: all 0.3s;
       /*z-index: 1010; */
     } 
     .mtclose:hover, .mtclose:focus{ 
        color: #602E2A;  
        cursor: pointer; 
    }

    .modalBox-body{ 
        padding: 10px; 
        font-size: 16px; 
    }

    效果

    因为正在进行的一个项目中,需要一个模态框,所以花时间在网上自学的,相对来说比较简单,可以自行修改内容。。。

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  • 原文地址:https://www.cnblogs.com/cheerping/p/7492635.html
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