js全屏事件fullscreenchange 实现全屏、退出全屏操作

时间:2020-05-17 pick玻尿酸鸭李豆子。人气:4

本文实例为大家分享了js全屏事件fullscreenchange，实现全屏、退出全屏操作，供大家参考，具体内容如下

1.进入全屏

function launchFullscreen(element) {
 if (element.requestFullscreen) {
  element.requestFullscreen()
 } else if (element.mozRequestFullScreen) {
  element.mozRequestFullScreen()
 } else if (element.msRequestFullscreen) {
  element.msRequestFullscreen()
 } else if (element.webkitRequestFullscreen) {
  element.webkitRequestFullScreen()
 }
}

launchFullscreen(document.documentElement) // 整个页面进入全屏
launchFullscreen(document.getElementById("id")) //某个元素进入全屏

2.退出全屏

function exitFullscreen() {
 if (document.exitFullscreen) {
  document.exitFullscreen()
 } else if (document.msExitFullscreen) {
  document.msExitFullscreen()
 } else if (document.mozCancelFullScreen) {
  document.mozCancelFullScreen()
 } else if (document.webkitExitFullscreen) {
  document.webkitExitFullscreen()
 }
}
exitFullscreen()

3.全屏事件

document.addEventListener("fullscreenchange", function (e) {
 if (document.fullscreenElement) {
  console.log('进入全屏')
 } else {
  console.log('退出全屏')
 }
})

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