显示切换/display + toggle

固定位置内容切换.md

<script src="https://cdn.bootcss.com/jquery/3.4.0/jquery.min.js"></script>

<h1 id='mico1' style='display: none'></h1>

<h1 id='mico2' style='display: block'>micomico</h1>

<button onclick="mico()">切换</button>

<script>
  function mico(){
    $("#mico1").toggle();
    $("#mico2").toggle();
  }
</script>