2つのプルダウンから要素の絞込表示をするjQuery – boxfilter_double.js - hi3103の備忘録

2つのプルダウンから要素の絞込表示をするjQuery – boxfilter_double.js

2017-02-09 12:00 2022-07-09 23:33

Web

概要

incboxfilter_select.jsをさらに改造して、2つのプルダウンセレクターで要素の絞込表示をする。

成果物

https://hi3103.net/study/boxfilter_double/
https://hi3103.net/study/incboxfilter_double/
- incファイルの場合

HTML

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" type="text/css" href="css/style.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
    <script src="js/boxfilter_double.js"></script>
    <title>boxfilter_double.js</title>
</head>
<body>

    <select name="filter_area" class="filters">
        <option value="area_all" selected="selected">Show All Area</option>
        <option value="area_1">Show Area_1</option>
        <option value="area_2">Show Area_2</option>
        <option value="area_3">Show Area_3</option>
        <option value="area_4">Show Area_4</option>
    </select>

    <select name="filter_genre" class="filters">
        <option value="genre_all" selected="selected">Show All Genre</option>
        <option value="genre_1">Show Genre_1</option>
        <option value="genre_2">Show Genre_2</option>
        <option value="genre_3">Show Genre_3</option>
    </select>

    <div class="boxes">
        <a class="area_1 genre_1 genre_2" href="#">Box1</a>
        <a class="area_2 genre_1 genre_3" href="#">Box2</a>
        <a class="area_3 genre_2 genre_3" href="#">Box3</a>
        <a class="area_4 genre_3" href="#">Box4</a>
        <a class="area_1 genre_1 genre_2 genre_3" href="#">Box5</a>
        <a class="area_2 genre_1 genre_2" href="#">Box6</a>
        <a class="area_3 genre_1 genre_3" href="#">Box7</a>
        <a class="area_4 genre_1 genre_2 genre_3" href="#">Box8</a>
        <a class="area_1 genre_1 genre_3" href="#">Box9</a>
        <a class="area_2 genre_1 genre_2 genre_3" href="#">Box10</a>
        <a class="area_3 genre_3" href="#">Box11</a>
        <a class="area_4 genre_1 genre_2 genre_3" href="#">Box12</a>
        <a class="area_1 genre_1 genre_2 genre_3" href="#">Box13</a>
        <a class="area_2 genre_1 genre_3" href="#">Box14</a>
        <a class="area_3 genre_1 genre_2" href="#">Box15</a>
        <a class="area_4 genre_1 genre_3" href="#">Box16</a>
        <a class="area_1 genre_3" href="#">Box17</a>
        <a class="area_2 genre_1 genre_2 genre_3" href="#">Box18</a>
        <a class="area_3 genre_1 genre_2 genre_3" href="#">Box19</a>
        <a class="area_4 genre_1 genre_2" href="#">Box20</a>
    </div>
</body>
</html>

boxfilter_double.js

$(document).ready(function(){

    var $boxes = $('.boxes a');

    $('select.filters').change(function () {
        $boxes.removeClass('match');

        $('select[name=filter_area] option:selected').each(function () {
            var $sa = $(this).attr('value');
            if($sa == 'area_all'){
                $boxes.addClass('match');
            }else if($boxes.hasClass($sa)){
                $boxes.filter('.'+$sa).addClass('match');
            }
        });
        $('select[name=filter_genre] option:selected').each(function () {
            var $sg = $(this).attr('value');
            if($sg != 'genre_all' && $boxes.hasClass('match')){
                $boxes.filter(':not(.'+$sg+')').removeClass('match');
            }
        });

        $boxes.fadeOut().promise().done(function() {
            $boxes.filter('.match').fadeIn();
        });
    });
});

style.CSS

@charset "UTF-8";

a {
    display: inline-block;
    text-decoration: none;
    text-align: center;
    margin-bottom: 1em;
    margin-right: 1em;
}

.boxes a {
    width: 10em;
    color:#CCC;
}

.area_1{ border: 2px solid gold; }
.area_2{ border: 2px solid lightblue; }
.area_3{ border: 2px solid lightgreen; }
.area_4{ border: 2px solid pink; }

.match{
    background-color: #000;
    color: #FFF;
}

参考URL

式と演算子 – JavaScript | MDN

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