old-js-projects/next.html at master · arundada9000/old-js-projects · GitHub

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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>Navigation</title>
    <style>
        body {
            height: 100svh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .bar-container {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .circle {
            height: 20px;
            width: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 2px solid gainsboro;
            cursor: pointer;
            transition: border 1s ease;
        }

        .bar {
            border: 1px solid gainsboro;
            height: 1px;
            width: 70px;
            cursor: pointer;
            background-color: gainsboro;
            transition: background-color 1s ease, border 1s ease;
        }

        .buttons {
            margin-top: 30px;
            display: flex;
            align-items: center;
            justify-content: space-around;
        }

        button {
            cursor: pointer;
            font-size: 1rem;
            background-color: aqua;
            border: none;
            width: 100px;
            height: 40px;
            border-radius: 10px;
            color: white;
        }

        button:hover {
            color: black;
            opacity: 0.85;
        }
    </style>
</head>

<body>
    <div class="container">
        <div class="bar-container">
            <div class="circle">1</div>
            <div class="bar"></div>
            <div class="circle">2</div>
            <div class="bar"></div>
            <div class="circle">3</div>
            <div class="bar"></div>
            <div class="circle">4</div>
            <div class="bar"></div>
            <div class="circle">5</div>
        </div>
        <div class="buttons">
            <button id="previous">Previous</button>
            <button id="next">Next</button>
        </div>
    </div>
    <script>
        const bar = document.querySelectorAll(".bar");
        const circle = document.querySelectorAll(".circle");
        let circle_index = 0, border_index = 0, max = 5, min = 0;
        const prev_btn = document.getElementById("previous");
        const next_btn = document.getElementById("next");

        toggle_btn(previous, "not-allowed", "gray");
        toggle(circle[circle_index], "white", "2px solid aqua");

        document.getElementById("previous").addEventListener("click", function () {
            if (border_index >= min) {
                toggle_btn(next_btn, "pointer", "aqua");
                if (border_index != 0) {
                    toggle(circle[circle_index], "white", "2px solid gainsboro");
                    border_index--;
                    circle_index--;
                }
                if (border_index == 0) {
                    toggle_btn(prev_btn, "not-allowed", "gray");
                }
                toggle(bar[border_index], "gainsboro", "1px solid gainsboro");
            }
        });
        document.getElementById("next").addEventListener("click", function () {
            if (border_index < max - 1) {
                toggle_btn(prev_btn, "pointer", "aqua");
                circle_index++;
                toggle(bar[border_index], "aqua", "1px solid aqua");
                toggle(circle[circle_index], "white", "2px solid aqua");
                if (border_index != 4) {
                    border_index++;
                }
                if (border_index == 4) {
                    toggle_btn(next_btn, "not-allowed", "gray");
                }
            }
        });
        function toggle(cr, bc, bor) {
            cr.style.backgroundColor = bc;
            cr.style.border = bor;
        }
        function toggle_btn(btn, ptr, col) {
            btn.style.cursor = ptr;
            btn.style.backgroundColor = col;
        }
    </script>
</body>

</html>