给 iframe 元素设置 fixed 定位,并且设置 100% 的宽和高:
iframe { position: fixed; background: #000; border: none; top: 0; right: 0; bottom: 0; left: 0; width: 100%; height: 100%; }
参考链接:javascript - Full-screen iframe with a height of 100% - Stack Overflow
给 iframe 元素设置 fixed 定位,并且设置 100% 的宽和高:
iframe { position: fixed; background: #000; border: none; top: 0; right: 0; bottom: 0; left: 0; width: 100%; height: 100%; }
参考链接:javascript - Full-screen iframe with a height of 100% - Stack Overflow