阻止ios播放视频自动全屏

1.js监听视频全屏事件webkitfullscreenchange

<video  class="playerVideo"  playsinline="true" webkit-playsinline="true">   
//视频缩放,ios播放视频不会全屏
let flag = false; //是否进入全屏，默认未进入
document.addEventListener("webkitfullscreenchange", function (e) {
  if ($('.playerVideo').videoWidth < $('.playerVideo').videoHeight) {
    flag = !flag;
    if (flag) {
      $('.playerVideo').css('object-fit', 'fill')
    } else {
      $('.playerVideo').css('object-fit', 'contain')
    }
  }
});