1000bd Online Code Preview

Code:

<h1>JavaScript 进度条</h1> <div id="myProgress"> <div id="myBar"></div> </div> <br> <button onclick="move()">点我</button> <style> #myProgress { width: 100%; background-color: #ddd; } #myBar { width: 1%; height: 30px; background-color: #4CAF50; } </style> <script> function move() { var elem = document.getElementById("myBar"); var width = 1; var id = setInterval(frame, 10); function frame() { if (width >= 100) { clearInterval(id); } else { width++; elem.style.width = width + '%'; } } } </script>

Run Result：

运行