题解 | #定位 - fixed - 广告#

定位 - fixed - 广告

https://www.nowcoder.com/practice/2fca877b2330412586d3dc0d270ea48e

<!DOCTYPE html>
<html>
    <head>
        <meta charset=utf-8>
        <style type="text/css">
            * {
                margin: 0;
                padding: 0;
            }
            .advert {
                width: 300px;
                height: 200px;
                background-color: black;
                position: fixed;
                right: 0;
                bottom: 0;
            }
            .x{
                position: absolute;
                right: 0;
                top: 0;
            }
            .advert:first-line {
                color: white;
            }
        </style>
    </head>
    <body>
    	<section class="advert">
            广告文案
            <button class="x">x</button>
        </section>

        <script>
            document.querySelector('button').onclick = function() {
                this.parentNode.style.display = 'none'
            }
        </script>
    </body>
</html>
原来广告是这么被设计出来的啊!!
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