// ie8浏览器判定
window.onload = function() {
    if (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion.split(";")[1].replace(/[ ]/g, "").replace("MSIE", "")) <= 8) {
        document.body.innerHTML += '<div id="browser-modal"><div class="browser-modal-cover"></div><div class="browser-content"><div class="browser-text"><h3 class="browser-text-title">请升级浏览器版本</h3><p class="browser-text-desc">你正在使用旧版本浏览器。请升级浏览器以获得更好的体验。</p></div><div class="browser-list"><div class="browser-item"><a href="https://www.google.cn/chrome/" target="_blank"><div class="iconfont iconchrome"></div><h4>Chrome</h4></a></div><div class="browser-item"><a href="http://www.firefox.com.cn/" target="_blank"><div class="iconfont iconfirefox"></div><h4>Firefox</h4></a></div><div class="browser-item"><a href="https://www.opera.com/zh-cn" target="_blank"><div class="iconfont iconopera"></div><h4>Opera</h4></a></div><div class="browser-item"><a href="https://www.microsoft.com/zh-cn/edge" target="_blank"><div class="iconfont iconEdge"></div><h4>Edge</h4></a></div></div></div></div>';
        document.body.style.overflow="hidden"
    }
}