效果就是實(shí)現(xiàn)按下按鈕時, 網(wǎng)頁鋪滿整個電腦屏幕1? html 代碼<input value="全屏" type='button' />2? js代碼function toggleFullScreen() { ? if (!document.fullscreenElement && // alternative standard method? ? !document.mozFullScreenElement && !document.webkitFullscreenElement) {// current working methods? ? if (document.documentElement.requestFullscreen) {? ? ? document.documentElement.requestFullscreen();? ? } else if (document.documentElement.mozRequestFullScreen) {? ? ? document.documentElement.mozRequestFullScreen();? ? } else if (document.documentElement.webkitRequestFullscreen) {? ? ? document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);? ? }? } else {? ? if (document.cancelFullScreen) {? ? ? document.cancelFullScreen();? ? } else if (document.mozCancelFullScreen) {? ? ? document.mozCancelFullScreen();? ? } else if (document.webkitCancelFullScreen) {? ? ? document.webkitCancelFullScreen();? ? }? }}document.getElementsByTagName('input')[0].addEventListener('click', toggleFullScreen);