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不用JavaScript也能实现阅读进度条

看图说话

使用CSS实现阅读进度条

直接上代码

 <style>
        html,body{margin:0;}
        header{
            position: fixed;
            top:0;
            height: 125px;
            width: 100%;
            background: white;
        }
        main{
            margin-top: 128px;
        }
        @supports (height: 100vh) { 
            body{   
                background: linear-gradient(to right top, #0089f2 50%, #DDD 50%);
                background-size: 100% calc(100% - 100vh + 129px);
                background-repeat: no-repeat;
            }
            body:before{
                content:'';
                position: fixed;
                top: 128px;
                bottom: 0;
                width: 100%;
                z-index: -1;
                background: white;
            }
        }
     </style>
    <header>
        <h1>Scroll Indicator</h1>
    </header>
    <main>
        <h2>I was interested to see if I could make a scroll indicator  with just CSS.</h2>
        <p>You can! But maybe you shouldn't. This is an interesting consequence of a bunch of hacks held together with duct tape. It uses z-index hacks, gradient hacks and tricks with calc and viewport units.</p>
        <p>Having said that, hacks are not always bad. I love hacks and many of us have made quite a good living selling floats and clearfixes.</p>
        <p>The techniques used here are well supported, if not conventional. If you can read the CSS, understand how it works, and how to change it, and you think this works better for you than JavaScript, feel free to implement it. Just be aware of the z-index behaviour and possible conflict with other CSS using negative z-index.</p>
        <hr>
        <p>Cras mattis consectetur purus sit amet fermentum. Donec id elit non mi porta gravida at eget metus. Donec id elit non mi porta gravida at eget metus. Aenean lacinia bibendum nulla sed consectetur.</p>
        <h3>Tristique Aenean Etiam Cras</h3>
        <p>Donec id elit non mi porta gravida at eget metus. Donec ullamcorper nulla non metus auctor fringilla. Nulla vitae elit libero, a pharetra augue. Donec sed odio dui. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.</p>
        <p>Cras mattis consectetur purus sit amet fermentum. Donec id elit non mi porta gravida at eget metus. Integer posuere erat a ante venenatis dapibus posuere velit aliquet. Etiam porta sem malesuada magna mollis euismod. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec ullamcorper nulla non metus auctor fringilla.</p>
        <p>Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Donec ullamcorper nulla non metus auctor fringilla. Sed posuere consectetur est at lobortis. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Aenean lacinia bibendum nulla sed consectetur. Nulla vitae elit libero, a pharetra augue.</p>
        <p>Donec sed odio dui. Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor. Cras mattis consectetur purus sit amet fermentum. Maecenas sed diam eget risus varius blandit sit amet non magna.</p>
        <ul>
            <li>Ullamcorper Aenean Ornare</li>
            <li>Ridiculus Lorem Malesuada Consectetur</li>
            <li>Aenean Tristique Sit Lorem Purus</li>
            <li>Vehicula Egestas Mollis Cursus Nibh</li>
        </ul>
        <p>Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor. Sed posuere consectetur est at lobortis. Sed posuere consectetur est at lobortis. Maecenas faucibus mollis interdum. Nullam id dolor id nibh ultricies vehicula ut id elit. Aenean lacinia bibendum nulla sed consectetur. Nullam quis risus eget urna mollis ornare vel eu leo.</p>
        <h3>Bibendum Aenean Dapibus Tristique</h3>
        <p>Cras mattis consectetur purus sit amet fermentum. Donec id elit non mi porta gravida at eget metus. Integer posuere erat a ante venenatis dapibus posuere velit aliquet. Etiam porta sem malesuada magna mollis euismod. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec ullamcorper nulla non metus auctor fringilla.</p>
        <p>Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Donec ullamcorper nulla non metus auctor fringilla. Sed posuere consectetur est at lobortis. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Aenean lacinia bibendum nulla sed consectetur. Nulla vitae elit libero, a pharetra augue.</p>
        <p>Donec sed odio dui. Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor. Cras mattis consectetur purus sit amet fermentum. Maecenas sed diam eget risus varius blandit sit amet non magna.</p>
        <ul>
            <li>Ullamcorper Aenean Ornare</li>
            <li>Ridiculus Lorem Malesuada Consectetur</li>
            <li>Aenean Tristique Sit Lorem Purus</li>
            <li>Vehicula Egestas Mollis Cursus Nibh</li>
        </ul>
        <p>Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor. Sed posuere consectetur est at lobortis. Sed posuere consectetur est at lobortis. Maecenas faucibus mollis interdum. Nullam id dolor id nibh ultricies vehicula ut id elit. Aenean lacinia bibendum nulla sed consectetur. Nullam quis risus eget urna mollis ornare vel eu leo.</p>
        <h2>Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor.</h2>
        <p>Cras mattis consectetur purus sit amet fermentum. Donec id elit non mi porta gravida at eget metus. Donec id elit non mi porta gravida at eget metus. Aenean lacinia bibendum nulla sed consectetur.</p>
    </main>

以上所述是小编给大家介绍的使用CSS实现阅读进度条,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对网站的支持!

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P70系列延期,华为新旗舰将在下月发布

3月20日消息,近期博主@数码闲聊站 透露,原定三月份发布的华为新旗舰P70系列延期发布,预计4月份上市。

而博主@定焦数码 爆料,华为的P70系列在定位上已经超过了Mate60,成为了重要的旗舰系列之一。它肩负着重返影像领域顶尖的使命。那么这次P70会带来哪些令人惊艳的创新呢?

根据目前爆料的消息来看,华为P70系列将推出三个版本,其中P70和P70 Pro采用了三角形的摄像头模组设计,而P70 Art则采用了与上一代P60 Art相似的不规则形状设计。这样的外观是否好看见仁见智,但辨识度绝对拉满。