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  • 模态对话框练习

    实现效果就跟网站注册一样,一点击弹出一个框来

    初始:

    点击按钮后:

    点击cancle按钮后回到第一个图片状态,这个框会随鼠标上下滚动。

    实现代码:

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>模态对话框</title>
    
        <style>
            .d1{
                background-color: #2aabd2;
                height: 2000px;
            }
            .shade{
                position: fixed;  /*脱离文档流,参照物是可视窗口。 可以设置top/bottom/left/right*/
                top: 0;
                bottom: 0;
                left: 0;
                right: 0;
                background-color: grey;
                opacity: 0.4; /*规定不透明度。从 0.0 (完全透明)到 1.0(完全不透明)*/
            }
    
            .models{
                position: fixed;
                top: 50%;
                left: 50%;
                margin-left: -100px;
                margin-top: -100px;
                width: 200px;
                height: 200px;
                background-color: #8a6d3b;
                border-color: red;
                border-style: solid;
            }
    
            .hide{
                display: none;
            }
            .d2{
                position: fixed;
                top: 50%;
                left: 50%;
            }
    
        </style>
    
    </head>
    <body>
    <div>
        <div id="d1" class="d1">
            <input class="c" type="button" value="click">
        </div>
        <div class="shade hide handles"></div>
        <div id="d2" class="models hide handles">
            <input class="c" type="button" value="cancle">
        </div>
    </div>
    
    <script>
        var b_ele=document.getElementsByClassName('c')
        var hide_ele=document.getElementsByClassName('handles')
        for (j=0;j<b_ele.length;j++) {
            b_ele[j].onclick = function () {
                if(this.value == 'click'){
                    for (var i = 0; i < hide_ele.length; i++) {
                        hide_ele[i].classList.remove('hide')
                    }
                }
            else {
                for (var i = 0; i < hide_ele.length; i++) {
                    hide_ele[i].classList.add('hide')
                }
            }
            }
        }
    
    </script>
    </body>
    </html>
    View Code
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  • 原文地址:https://www.cnblogs.com/litzhiai/p/8432625.html
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