“文件:Ava789O.png”与“MediaWiki:Mainpage.js”：页面之间的差异

$(function(){
    /* 头图 */
    var page = document.querySelector("body");
    if (page.classList.contains('page-首页')) {
        var mwBody = document.getElementById('content');
        var newDiv = document.createElement('div');
        newDiv.setAttribute('class', 'header-image');
        newDiv.innerHTML = '<div class="header-image" style="background-image: linear-gradient(to top, var(--color-surface-0), transparent 50%), url(https://wiki.knebulae.com/images/title.png);background-size: cover;background-position: top;height: 36vh;margin-bottom: -37vh;"></div>';
        mwBody.parentNode.insertBefore(newDiv, mwBody);
    }
}());