HTML-CSS-JS-Components/model_popup.html at main · chandumaram/HTML-CSS-JS-Components · GitHub

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<button class="open-modal">Open Modal</button>

<div class="modal">
    <div class="modal-content">
        <span class="close-modal">&times;</span>
        <h2>Modal Title</h2>
        <p>This is a fully animated modal popup.</p>
    </div>
</div>

<style>
    .modal {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
        transition: 0.3s;
    }

    .modal-content {
        background: white;
        padding: 20px;
        border-radius: 8px;
        width: 300px;
        text-align: center;
        transform: scale(0.7);
        transition: 0.3s;
    }

    .modal.show {
        opacity: 1;
        visibility: visible;
    }

    .modal.show .modal-content {
        transform: scale(1);
    }

    .close-modal {
        position: absolute;
        right: 15px;
        top: 10px;
        font-size: 20px;
        cursor: pointer;
    }
</style>

<script>
    const modal = document.querySelector(".modal");
    const openBtn = document.querySelector(".open-modal");
    const closeBtn = document.querySelector(".close-modal");

    openBtn.onclick = () => modal.classList.add("show");
    closeBtn.onclick = () => modal.classList.remove("show");
    window.onclick = (e) => {
        if (e.target === modal) modal.classList.remove("show");
    };
</script>