點(diǎn)擊導(dǎo)航欄頁面滾動(dòng)到指定顯示位置

<script>
  function body_scroll(obj){
    if(obj == 'top'){
      $('html,body').animate({scrollTop: 0}, 1000);
      return false;
    }
    else{
      var targetOffset=($('#'+obj).offset().top)-40;
      $('html,body').animate({scrollTop: targetOffset},1000);
    }
  }
</script>

HTML的audio更改樣式

<audio autoplay="autoplay" loop="loop" preload="auto" src="/style/img_new/yinyue/songs/qiangjunzhange.aac" id="aud"></audio>
<img src="/style/images/play.png" id="playpause" style="margin: auto;">
<script type="text/javascript">
  var aud = document.getElementById("aud");
  var img = document.getElementById("playpause");
  img.onclick = function(){
    if(aud.paused){
      aud.play();
    }
    else{
      aud.pause();
    }
  }
  aud.addEventListener("play", function(e){img.src="/style/images/pause.png"}, false);
  aud.addEventListener("pause", function(e){img.src="/style/images/play.png"}, false);
</script>