Bootstrap - Tạo contron input chỉ đọc

Tạo contron input chỉ đọc

<!DOCTYPE html>
<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>Example of Bootstrap 3 Readonly Inputs</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style>
    .bs-example{
    	margin: 20px;
    }
</style>
</head>
<body>
<div class="bs-example">
    <form>
    	<input type="text" class="form-control" placeholder="Readonly input" readonly="readonly">
    </form>
</div>
</body>
</html>

hiepsiithtml1