利用css float特性实现导航栏浮出效果_css悬浮导航栏-优快云博客

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利用float特性实现导航栏浮出效果

<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />

    <title>利用float特性实现导航栏浮出效果</title>
    <script src="./asserts/js/jquery-3.6.3.min.js"></script>

    <style></style>
    <script type="text/javascript">
      $(document).ready(function () {
        $("#test1").on("click", function () {
          $("#left").css("display", "block");
          $("#left").css("float", "left");
        });
        $("#test2").on("click", function () {
          $("#left").css("display", "none");
        });
      });
    </script>
  </head>
  <body>
    <button id="test1">显示</button>
    <button id="test2">关闭</button>

    <div style="background-color: lightgrey; position: relative">
      <div id="left" style="width: 300px; height: 300px; background-color: yellow; display: none; margin: 20px; z-index: 999">菜单栏容器</div>

      <div id="right" style="width: 100%; height: 350px; background-color: green; text-align: left">
        111
        <div>内容区域</div>
      </div>
    </div>
  </body>
</html>