移动端audio自动播放问题

function audioAutoPlay(id) {
var audio = document.getElementById(id),
play = function () {
audio.play();
document.removeEventListener("touchstart", play, false);
};
audio.play();
document.addEventListener("WeixinJSBridgeReady", function () {
play();
}, false);
document.addEventListener('YixinJSBridgeReady', function () {
play();
}, false);
document.addEventListener("touchstart", play, false);
}