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  • 用js自定义弹窗

    用js自定义弹窗

    代码如下:

    <!DOCTYPE html>
    <html lang="zh_CN">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <!--定义弹窗的样式-->
        <style>
    
            .popup {
                width: 100vw;
                height: 100vh;
                background-color: rgba(0, 0, 0, .5);
                position: fixed;
                left: 0;
                top: 0;
                bottom: 0;
                right: 0;
                display: none;
                justify-content: center;
                align-items: center;
            }
    
            .popup-content {
                width: 400px;
                height: 200px;
                background-color: #fff;
                box-sizing: border-box;
                padding: 10px 30px;
                color: black;
            }
    
            .top {
                width: 100%;
                border-bottom: 1px solid black;
            }
    
            .info {
                margin-top: 50px;
            }
    
        </style>
        <script>
            //给定一个值,使点 确定按钮 为 true,点其他为 false
            var isDelete = false;
            //显示弹窗函数,设置display为flex
            function showPopup() {
                document.getElementById("popup").style.display = "flex";
            }
    
         //关闭弹窗函数,设置display为none,传一个参数,把true和false传进去
            function hidePopup(x, e) {
                //处理冒泡,event 的 cancelable 事件返回一个布尔值 
                // 确定按钮有event参数,不会返回undefined(因为取消和其他区域,没传值 默认undefined)
                if (e != undefined) {
                    e.cancelBubble = true;
                }
                document.getElementById("popup").style.display = "none";
                isDelete = x;
                console.log(x);
            }
        </script>
    </head>
    <body>
    <!--给定一个按钮来显示弹窗-->
    <button type="button" onclick="showPopup()">弹窗</button>
    
    <!--给出弹窗的内容-->
    <!--弹窗点击除 确定按钮 以外的 取消和其他区域 时弹窗都会消失且输出false,点击 确定按钮 时为true-->
    <div class="popup" id="popup" onclick="hidePopup(false)">
        <div class="popup-content">
            <div class="top">
                <p>提示信息</p>
            </div>
            <div class="info">
                <p>确认关闭?</p>
            </div>
            <div class="btn">
                <!--因为两个按钮在popup这个大框里,点击确定和取消就会同时点击父元素,会产生事件冒泡(即点击确定,会同时出现true和false)-->
                <button type="button" onclick="hidePopup(true,event)">确定</button>
                <button type="button" onclick="hidePopup(false)">取消</button>
            </div>
        </div>
    </div>
    
    
    </div>
    
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/here-I-am/p/11453180.html
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