JS 中使用正则replace（）方法来替换 提交的评论内容含有的敏感词汇！

css 样式：

<style type="text/css">

        * {

            padding: 0;

            margin: 0;

        }

        li {

            list-style: none;

        }

        body {

            background: #eee;

        }

        #t_sina {

            width: 390px;

            padding: 10px;

            background: #fff;

            margin: 50px auto 0;

            font-size: 12px;

            border: 1px solid #ccc;

        }

        #t_sina h2 {

            padding: 10px 0 10px 10px;

            border-bottom: 1px solid #ebebeb;

            color: #333;

            font-size: 14px;

        }

        #content {

            width: 390px;

        }

        #content ul {

            width: 390px;

        }

        #content li {

            width: 390px;

            padding: 10px 0;

            overflow: hidden;

            border-bottom: 1px dotted #9f9f9f;

        }

        #content .pic {

            float: left;

            width: 50px;

            height: 50px;

        }

        #content .pic a {

            display: block;

            width: 50px;

            height: 50px;

            background: #eee;

        }

        #content .pic a:hover {

            background: #00FFFF;

        }

        #content p {

            float: right;

            width: 315px;

            margin-right: 10px;

            display: inline;

            line-height: 16px;

            color: #666;

        }

        #content p a {

            color: #6eafd5;

            font-family: arial;

            text-decoration: none;

        }

        #content p a:hover {

            text-decoration: underline;

        }

        #content p span {

            color: #999;

        }

        #t_sina dt {

            font-size: 14px;

            height: 40px;

            line-height: 40px;

        }

        #t_sina dd {

            padding-bottom: 5px;

            color: #666;

        }

        #t_sina .text {

            width: 320px;

            height: 20px;

            line-height: 20px;

            font-size: 12px;

            font-family: arial;

            color: #666;

            position: relative;

            left: 20px;

        }

        #t_sina textarea {

            width: 320px;

            height: 80px;

            line-height: 20px;

            overflow: auto;

            font-size: 12px;

            font-family: arial;

            color: #666;

            position: relative;

            left: 20px;

        }

        #t_sina .btn {

            position: relative;

            left: 55px;

            width: 120px;

            height: 30px;

        }

    </style>

JS代码：