audio 自动播放

audio因微信省流量等策略会取消自动播放

function audioAutoPlay(id){

var audio = document.getElementById(id),

play = function(){

audio.play();

document.removeEventListener("touchstart",play, false);

};

audio.load();

audio.play();

document.addEventListener("WeixinJSBridgeReady", function () {//微信

audio.load();

play();

}, false);

document.addEventListener('YixinJSBridgeReady', function() {//易信

play();

}, false);

document.addEventListener("touchstart",play, false);

}