MediaWiki:Common.js

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document.addEventListener("DOMContentLoaded", function() {
    var sidebar = document.querySelector("#mw-panel"); // Get the sidebar
    if (sidebar && !document.querySelector("#p-search")) {  // Check if no search already exists
        var searchBox = document.createElement("div");
        searchBox.id = "p-search";  // Unique ID for the search box
        searchBox.innerHTML = `
            <form action="/index.php" method="get">
                <input type="hidden" name="title" value="Special:Search">
                <input type="search" name="search" placeholder="Search..." required>
            </form>
        `;
        // Insert the search box directly inside the sidebar (under the first portlet)
        var firstPortlet = sidebar.querySelector(".portlet"); // Find the first portlet
        if (firstPortlet) {
            sidebar.insertBefore(searchBox, firstPortlet); // Insert before the first portlet
        }
    }
});