js | 点击触发浏览器全屏显示【 requestFullscreen()】
MDN文档:https://developer.mozilla.org/zh-CN/docs/Web/API/Element/requestFullScreen
let fullscreen; let fsEnter = document.getElementById('fullscr'); fsEnter.addEventListener('click', function(e) { e.preventDefault(); if (!fullscreen) { fullscreen = true; document.documentElement.requestFullscreen(); fsEnter.innerHTML = "Exit Fullscreen"; } else { fullscreen = false; document.exitFullscreen(); fsEnter.innerHTML = "Go Fullscreen"; } });