Code Editor

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./style.css">
</head>

<body>
    <div class="link">
        <a href="#" class="all">Todos</a>
        <a href="#" class="blue">Azul</a>
        <a href="#" class="orange">Naranja</a>
        <a href="#" class="gray">Gris</a>
    </div>
    <div class="container">
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
        <div class="box orange"></div>
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
        <div class="box orange"></div>
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
        <div class="box orange"></div>
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
        <div class="box orange"></div>
        <div class="box blue"></div>
        <div class="box gray"></div>
        <div class="box orange"></div>
    </div>

    <script src="./javascript.js"></script>
</body>

</html>

.container {
  margin: auto;
  width: 1100px;
  display: flex;
  flex-wrap: wrap;
}

.link a {
  text-decoration: none;
  color: black;
}

.box {
  width: 150px;
  height: 150px;
  transition: 1s;
  margin: 10px;
}

.box.gray {
  background-color: #6C757D;
}

.box.blue {
  background-color: #537D91;
}

.box.orange {
  background-color: #F77754;
}

.disabled {
  width: 0;
  height: 0;
  opacity: 0;
  visibility: hidden;
  margin: 0;

}

const filterThings = (e) => {
    const link = e.target;
    let thingToFilter = '';
    if (link.classList.contains('orange')) {
        thingToFilter = 'orange';
    } else if (link.classList.contains('blue')) {
        thingToFilter = 'blue';
    } else if (link.classList.contains('gray')) {
        thingToFilter = 'gray';
    } else {
        thingToFilter = 'all';
    }

    document.querySelectorAll('.box').forEach(box => {
        if (box.classList.contains(thingToFilter) || thingToFilter === 'all') {
            box.classList.remove('disabled');
        } else {
            box.classList.add('disabled');;
        };
    });

}

document.querySelectorAll('.link a').forEach(a => {
    a.addEventListener('click', filterThings);
})