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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>jQuery Add – insertBefore() Example</title> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <style> body { font-family: Arial, sans-serif; padding: 40px; background: #f9f9f9; } .wrapper { max-width: 700px; margin: auto; background: #fff; padding: 30px; box-shadow: 0 0 10px rgba(0,0,0,0.1); } .promo { background: #d1ecf1; color: #0c5460; padding: 15px; border: 1px solid #bee5eb; text-align: center; margin-bottom: 20px; } .main-content { margin-top: 20px; padding: 20px; background: #f8f9fa; } button { margin-top: 15px; padding: 10px 20px; background: #007bff; color: #fff; border: none; border-radius: 4px; cursor: pointer; } </style> </head> <body> <h2>Insert Elements Before with insertBefore() Method</h2> <p>The <kbd>insertBefore()</kbd> method moves the matched elements so they appear directly before the specified target, complementing <kbd>before()</kbd> for jQuery add to cart or other dynamic UI tasks.</p> <div class="wrapper"> <div class="main-content"> <h3>Main Content Area</h3> <p>This section represents your main content. A new promo banner will be inserted above using <kbd>insertBefore()</kbd>.</p> <button id="addPromo">Add Promo Banner</button> </div> </div> <script> $(document).ready(function(){ $("#addPromo").click(function(){ const promo = $('<div class="promo">🎉 New Deal: Subscribe now and save 30%!</div>'); promo.insertBefore(".main-content"); $(this).prop("disabled", true).text("Promo Added"); }); }); </script> </body> </html>
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