<p id="phoneBtn"  class="musicBtn" onclick="playMusic('music1')">播放</p>
 <audio class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="音频地址" controls="controls" preload id="music1" hidden></audio>

function playMusic(id){
        var audio = document.getElementById(id); 
        if(audio.paused){                
            audio.play();// 播放
            $('.musicBtn').html('暂停') 
        }
        else{
            audio.pause()
            $('.musicBtn').html('播放')
        } 
    }