sections

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

<head>
    <meta charset="UTF-8">
    <title>Sections</title>
    <style>
        #content {
            width: 1000px;
        }

        #content div {
            float: left;
            width: 300px;
            height: 300px;
            margin: 2em;
            background: #5555ff;
            text-align: center;
        }

        #content div p {
            color: white;
            margin: 6em 3em 6em 3em;
        }
    </style>
</head>
<div id="content">
</div>

<body onload="create(['Section 1', 'Section 2', 'Section 3', 'Section 4']);">
    <script>
        function create(sentences) {
            let content = document.getElementById('content');
            for (const item of sentences) {
                let div = document.createElement('div');
                let p = document.createElement('p');
                p.style.display = 'none';
                p.textContent = item;
                div.appendChild(p);
                div.addEventListener('click', see)
                content.appendChild(div);
            }
            function see() {
                this.childNodes[0].style.display = 'inline-block'
            }
        }

    </script>
</body>

</html>