遇到安卓h5播放视频全屏时黑屏但有声音，主要在vivo手机上（例如vivo x60），已是最新微信版本，复现方法：多次全屏/退出 触发全屏 和 退出全屏方法如下，触发全屏在问题机器上使用的是requestFullscreen getFullscreen (el) { let player = this if (el.requestFullscreen) { el.requestFullscreen() } else if (el.mozRequestFullScreen) { el.mozRequestFullScreen() } else if (el.webkitRequestFullscreen) { el.webkitRequestFullscreen(window.Element.ALLOW_KEYBOARD_INPUT) } else if (player.video.webkitSupportsFullscreen) { player.video.webkitEnterFullscreen() } else if (el.msRequestFullscreen) { el.msRequestFullscreen() } } exitFullscreen (el) { if (document.exitFullscreen) { document.exitFullscreen() } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen() } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen() } else if (document.msExitFullscreen) { document.msExitFullscreen() } }