切换布局
显示结果
<!DOCTYPE html> <html lang="zh"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap4 动态改变进度条的值 - 迹忆客(jiyik.com)</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js"></script> <style> .bs-example{ margin: 20px; } /* Adding space at the bottom of progress bar */ .progress{ margin-bottom: 1rem; } </style> </head> <body> <div class="bs-example"> <!-- HTML 进度条 --> <div class="progress"> <div class="progress-bar progress-bar-striped" style="min-width: 20px;"></div> </div> <!-- jQuery Script --> <script> var i = 0; function makeProgress(){ if(i < 100){ i = i + 1; $(".progress-bar").css("width", i + "%").text(i + "%"); } // Wait for sometime before running this script again setTimeout("makeProgress()", 100); } makeProgress(); </script> </div> </body> </html>
