<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>范围中的步进</h2>
<p>默认情况下，范围数值之间的间隔为 1。您可以使用 step 属性更改它：</p>
<form action="/demo/html/action_page.php">
<label for="customRange" class="form-label">自定义范围</label>
<input type="range" class="form-range" id="customRange" step="10" name="points">
<button type="submit" class="btn btn-primary mt-3">提交</button>
</form>
</div>
</body>
</html>