用bootstrap 4水平排列多个canvas

Arranging multiple canvas horizontally with bootstrap 4

我正在尝试使三个 canvas 水平内联,但我做不到。一旦 window 的大小减小到 small/xs,我还想在一行中看到两个 canvas。我的代码如下。

<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">

    <title>Hello, world!</title>
  </head>
  <body>
    <div class="container">
      <div class="row">
        <div class="col-lg-4 col-xs-6">
          <canvas id="myCanvas" width="300" height="100" style="border:1px solid #000000;"></canvas>
          <canvas id="myCanvasa" width="300" height="100" style="border:1px solid #000000;"></canvas>
          <canvas id="myCanvasb" width="300" height="100" style="border:1px solid #000000;"></canvas>
        </div>

      </div>

    </div>


    <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-Piv4xVNRyMGpqkS2by6br4gNJ7DXjqk09RmUpJ8jgGtD7zP9yug3goQfGII0yAns" crossorigin="anonymous"></script>


  </body>
</html>

当前输出是这样的

想要的结果

将每个元素安排在单独的 div 中并使用 sm 而不是 xs 帮助我获得了预期的结果。

<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">

    <title>Hello, world!</title>
  </head>
  <body>
    <div class="container">
      <div class="row">
        <div class="row">
          <div class="col-lg-4 col-sm-6">
            <canvas id="myCanvas" width="300" height="100" style="border:1px solid #000000;"></canvas>
          </div>
          <div class="col-lg-4 col-sm-6">
            <canvas id="myCanvasa" width="300" height="100" style="border:1px solid #000000;"></canvas>
          </div>
          <div class="col-lg-4 col-sm-6">
            <canvas id="myCanvasb" width="300" height="100" style="border:1px solid #000000;"></canvas>
          </div>
        </div>

      </div>

    </div>


    <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-Piv4xVNRyMGpqkS2by6br4gNJ7DXjqk09RmUpJ8jgGtD7zP9yug3goQfGII0yAns" crossorigin="anonymous"></script>


  </body>
</html>