how to create modal css code example

Example 1: modal pop up html css

<button class="trigger">Click here to trigger the modal!</button>
    <div class="modal">
        <div class="modal-content">
            <span class="close-button">×</span>
            <h1>Hello, I am a modal!</h1>
        </div>
    </div>

Example 2: modal pop up html css

var modal = document.querySelector(".modal");
    var trigger = document.querySelector(".trigger");
    var closeButton = document.querySelector(".close-button");

    function toggleModal() {
        modal.classList.toggle("show-modal");
    }

    function windowOnClick(event) {
        if (event.target === modal) {
            toggleModal();
        }
    }

    trigger.addEventListener("click", toggleModal);
    closeButton.addEventListener("click", toggleModal);
    window.addEventListener("click", windowOnClick);

Example 3: how to make popup modal in jquery with example

$('#sub-modal').modal({
  closeExisting: false
});

Example 4: how to make popup modal in jquery with example

<!-- Modal HTML embedded directly into document -->
<div id="ex1" class="modal">
  <p>Thanks for clicking. That felt good.</p>
  <a href="#" rel="modal:close">Close</a>
</div>

<!-- Link to open the modal -->
<p><a href="#ex1" rel="modal:open">Open Modal</a></p>