原生JavaScript练习题 07-敏感词过滤

效果如下：

完整代码：

<!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=1.0">
    <style>
        .res {
            width: 200px;
            height: 200px;
            border: 1px solid #ccc;
        }
    </style>
    <title>Document</title>

</head>

<body>
    <h3>敏感过滤器</h3>
    <textarea name="" id="" cols="30" rows="10"></textarea>
    <input type="submit">
    <p class="res"></p>
    <script>
        let text = document.querySelector('textarea');
        let sub = document.querySelector('input');
        let p = document.querySelector('.res');

        let reg = /tmd|md/g;
        sub.addEventListener('click', function () {
            p.innerHTML = text.value.replace(reg, '**');
        })
    </script>
</body>

</html>

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