2024年07月23日 建站教程
功能介绍:右键菜单做了一个显示全屏和取消全屏功能,但是用了F11全屏后,js全屏取消不了,两种冲突了!下面介绍一下解决方法!
var isFull = Math.abs(window.screen.height-window.document.documentElement.clientHeight) <= 17
window.onresize = function () {
isFull = Math.abs(window.screen.height-window.document.documentElement.clientHeight) <= 17
}
// 阻止F11键默认事件,用HTML5全屏API代替 window.addEventListener('keydown', function (e) { e = e || window.event if (e.keyCode===122 && !isFull) { e.preventDefault() enterFullScreen() } })
// 打开浏览器全屏模式
function enterFullScreen () {
let el = document.documentElement
let rfs = el.requestFullScreen || el.webkitRequestFullScreen || el.mozRequestFullScreen || el.msRequestFullscreen
if (rfs) { // typeof rfs != "undefined" && rfs
rfs.call(el)
} else if (typeof window.ActiveXObject !== 'undefined') {
// for IE,这里其实就是模拟了按下键盘的F11,使浏览器全屏
let wscript = new ActiveXObject('WScript.Shell')
if (wscript != null) {
wscript.SendKeys('{F11}')
}
}
}
// 退出全屏
function exitFullScreen () {
let el = document
let cfs = el.cancelFullScreen || el.mozCancelFullScreen || el.msExitFullscreen || el.webkitExitFullscreen || el.exitFullscreen
if (cfs) { // typeof cfs != "undefined" && cfs
cfs.call(el)
} else if (typeof window.ActiveXObject !== 'undefined') {
// for IE,这里和fullScreen相同,模拟按下F11键退出全屏
let wscript = new ActiveXObject('WScript.Shell')
if (wscript != null) {
wscript.SendKeys('{F11}')
}
}
}
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