河畔的风

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    .arrow{
        display: flex;
        justify-content: center;
        align-items: center;
        height: 48px;
        width: 48px;
    }
    .menu-arrow{
        /* position: relative;
        top: 50%; */
        height: 100%;
        right: 16px;
        width: 10px;
        transition: transform .3s cubic-bezier(.645,.045,.355,1),-webkit-transform .3s cubic-bezier(.645,.045,.355,1);
        display: flex;
        justify-content: center;
        align-items: center;
        
    }
    .menu-arrow:before{
        transition: background .3s cubic-bezier(.645,.045,.355,1),transform .3s cubic-bezier(.645,.045,.355,1),top .3s cubic-bezier(.645,.045,.355,1),-webkit-transform .3s cubic-bezier(.645,.045,.355,1);
        content: "";
        position: absolute;
        width: 16px;
        height: 2.5px;
        background-image: linear-gradient(90deg,rgba(0,0,0,.85),rgba(0,0,0,.85));
        border-radius: 2px;
        transform: rotate(45deg) translateX(7px);
    }
    .menu-arrow:after{
        position: absolute;
        width: 16px;
        height: 2.5px;
        background-image: linear-gradient(90deg,rgba(0,0,0,.85),rgba(0,0,0,.85));
        border-radius: 2px;
        transition: background .3s cubic-bezier(.645,.045,.355,1),transform .3s cubic-bezier(.645,.045,.355,1),top .3s cubic-bezier(.645,.045,.355,1),-webkit-transform .3s cubic-bezier(.645,.045,.355,1);
        content: "";
        transform: rotate(135deg) translateX(-7px);
    }

    .active .menu-arrow{
        transform: translateX(9px);
    }

    .active .menu-arrow:before{
        transform: rotate(135deg) translateX(7px);
    }

    .active .menu-arrow:after{
        transform: rotate(45deg) translateX(-7px);
    }

    
</style>
<body>
    <div class="arrow">
        <i class="menu-arrow menu-arrow-left"></i>
        <i class="menu-arrow menu-arrow-right"></i>
    </div>
    <script>
        let a = false
        document.addEventListener('click', function(){
            console.log(a);
            if(a){
                document.getElementsByClassName('arrow')[0].classList.add("active");
                a = false
            }else{
                document.getElementsByClassName('arrow')[0].classList.remove("active");
                a = true
            }
        })
    </script>
</body>
</html>
posted on 2020-09-30 12:35  河畔的风  阅读(181)  评论(0编辑  收藏  举报