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javascript - Trying to determine the media query of css through js. Error

習(xí)慣沉默 2017-07-05 10:38:16

935

@media screen and (min-width: 360px) and (max-width: 375px){
    .ejiao_description .form form p{
        margin-bottom: 11px;
    }
}

The media query in css is written like this
js

var screen1 = window.matchMedia('@media  (min-width: 360px) and (max-width: 375px)');
    if (screen1.matches){
        XXXXXX.....
    }
    else{
        XXXX....
    }

But it doesn’t work now. What’s wrong?

習(xí)慣沉默

reply all(3)

滿天的星座2017-07-05 10:40:16 3 floor

https://developer.mozilla.org/en-US/docs/Web/API/Window/matchMedia

Please see the documentation

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扔個(gè)三星炸死你2017-07-05 10:40:16 2 floor

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我想大聲告訴你2017-07-05 10:40:16 1 floor

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        @media screen and (min-width: 360px) and (max-width: 375px){
            .aa .form form p{
                margin-bottom: 11px;
            }
        }
    </style>
</head>
<body>
<!-- 想通過(guò)js判斷css的媒體查詢 出錯(cuò) -->
<p class="aa">
    <p class="form">
        <form>
            <p>123123</p>
        </form>
    </p>
</p>
</body>
<script>
    var screen1 = window.matchMedia('(min-width: 360px) and (max-width: 375px)');
    console.log( screen1 );
    if (screen1.matches){
        console.log( 1 );
    }
    else{
        console.log( 2 );
    }
</script>
</html>

is window.matchMedia('(min-width: 360px) and (max-width: 375px)');, no @media

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