Below is a simple example of how to create a modal window using HTML, CSS, and JavaScript. This example includes a button to open the modal and a close button inside the modal.
HTML Structure (index.html)
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="style.css"> <title>Modal Example</title> </head> <body> <button id="openModal">Open Modal</button> <!-- The Modal --> <div id="myModal" class="modal"> <!-- Modal content --> <div class="modal-content"> <span class="close">×</span> <h2>Modal Header</h2> <p>This is a simple modal window.</p> </div> </div> <script src="script.js"></script> </body> </html>
Add some styles to make the modal look good.
body { font-family: Arial, sans-serif; } button { padding: 10px 20px; background-color: #007bff; color: white; border: none; border-radius: 4px; cursor: pointer; } button:hover { background-color: #0056b3; } /* The Modal (background) */.modal { display: none; /* Hidden by default */ position: fixed; /* Stay in place */ z-index: 1; /* Sit on top */ left: 0; top: 0; width: 100%; /* Full width */ height: 100%; /* Full height */ overflow: auto; /* Enable scroll if needed */ background-color: rgb(0,0,0); /* Fallback color */ background-color: rgba(0,0,0,0.4); /* Black w/ opacity */} /* Modal Content */.modal-content { background-color: #fefefe; margin: 15% auto; /* 15% from the top and centered */ padding: 20px; border: 1px solid #888; width: 80%; /* Could be more or less, depending on screen size */ border-radius: 5px; } /* The Close Button */.close { color: #aaa; float: right; font-size: 28px; font-weight: bold; } .close:hover, .close:focus { color: black; text-decoration: none; cursor: pointer; }
Implement the JavaScript to handle the opening and closing of the modal.
// Get the modal var modal = document.getElementById("myModal"); // Get the button that opens the modal var btn = document.getElementById("openModal"); // Get the <span> element that closes the modal var span = document.getElementsByClassName("close")[0]; // When the user clicks the button, open the modal btn.onclick = function() { modal.style.display = "block"; } // When the user clicks on <span> (x), close the modal span.onclick = function() { modal.style.display = "none"; } // When the user clicks anywhere outside of the modal, close it window.onclick = function(event) { if (event.target == modal) { modal.style.display = "none"; } }
This example provides the basic structure for creating a modal window. You can customize the styling as needed, and add additional content or interactivity to the modal as required for your application.
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