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<html> <script src="https://common.wjghj.cn/js/ChaoXingDanMuZhuShou"></script> <pre id="msgArea" style="padding: 4px; height: 200px; overflow: auto; border: 1px solid #aaa;"><p class="comment">老师：同学们怎么想呢？<span style="color:#ccc"></span> </p></pre> <textarea id="RKLBChat_sendText"></textarea> <button id="RKLBChat_sendMsg" onclick="sendCommentByMe()">发送评论</button> <script> function sendComment(user, comment) {
if (comment === '' || user === '') return;
$('#msgArea').append('<p class="comment"><b>' + user + '：</b>' + comment + '<span style="color:#999">' + new Date().toTimeString() + '</span></p>');
var msgArea = document.getElementById('msgArea');
msgArea.scrollTop = msgArea.scrollHeight;
} function sendCommentByMe(){
var toSent = $('#RKLBChat_sendText').val();
$('#RKLBChat_sendText').val('');
sendComment('您', toSent);
} setInterval(function(){
sendComment('其他人','大概是……然后吧……我觉得呢……你们说呢？');
},5000); </script> </html>
