the code is as follows: 
 html: 
 < video id= "video" width= "1" height= "1" loop= "loop" controls= "controls" src= " http://v.zbjsaas.com/81fc8c21.;>ideo>
/ / Click to play the video
var video = document.getElementById("video");
    $("-sharpplay-video-btn").click(function () {
        if (isIOS) {
            $("-sharpvideo").show();
            video.play();
        }
    }
    
     video.play (); 
 H5 button click, video can not be played in ios (version 12) video.play (); video, other versions can play 
