15-incrementing-Counter

 

 

 

 

 

html

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="./style.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0/css/all.min.css" integrity="sha512-1PKOgIY59xJ8Co8+NE6FZ+LOAZKjy+KY8iq0G4B3CyeY6wYHN3yt9PW0XpSriVlkMXe40PTKnXrLnZ9+fkDaog==" crossorigin="anonymous" />
    <title>Document</title>
</head>
<body>
    <div class="counter-container">
        <i class="fab fa-twitter fa-3x"></i>
        <div class="counter" data-target="12000"></div>
        <span>Twitter Followers</span>
    </div>

    <div class="counter-container">
        <i class="fab fa-youtube fa-3x"></i>
        <div class="counter" data-target="12000"></div>
        <span>Twitter Followers</span>
    </div>

    <div class="counter-container">
        <i class="fab fa-facebook fa-3x"></i>
        <div class="counter" data-target="5000"></div>
        <span>YouTube Subscribers</span>
    </div>

    <script src="./script.js"></script>
</body>
</html>
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css

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@import url('https://fonts.googleapis.com/css?family=Roboto+Mono&display=swap');

* {
  box-sizing: border-box;
}

body{
    background-color: #8e44ad;
    color: #fff;
    font-family: 'Roboto Mono' sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

.counter-container{
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    margin: 30px 50px;
}

.counter{
    font-size: 60px;
    margin-top: 10px;
}

@media (max-width:580px){
    body{
        flex-direction: column;
    }
}
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js

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const counters = document.querySelectorAll('.counter');

counters.forEach(counter=>{
    counter.innerHTML='0'

    const updateCounter =()=>{
        const target = +counter.getAttribute('data-target')
        const c=+counter.innerText

        const increment = target / 200
        if(c<target){
            counter.innerText=`${Math.ceil(c+increment)}`
            setTimeout(updateCounter,1)
        }else{
            counter.innerText=target
        }
    }

    updateCounter()
})
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posted @   漫漫长路</>  阅读(22)  评论(0编辑  收藏  举报
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