Chrome 浏览器中查看 webSocket 连接信息

时间：2017-09-02 12:57:41 阅读：339 评论：0 收藏：0 [点我收藏+]

1.以下代码实现一个webSocket连接，在文本输入框中输入内容，点击发送，通过服务器，返回相同的内容显示在下方。

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>WebSocket</title>
 6 </head>
 7 <body>
 8     <h1>Echo Test</h1>
 9     <input type="text" id="sendTxt">
10     <button id="sendBtn">发送</button>
11     <div id="recv"></div>
12     <script type="text/javascript">
13         var websocket = new WebSocket("ws://echo.websocket.org/");
14         websocket.onopen = function(){
15             console.log("websocket open");
16             document.getElementById("recv").innerHTML = "Connected";
17         }
18         websocket.inclose = function(){
19             console.log(‘websocket close‘);
20         }
21         websocket.onmessage = function(e){
22             console.log(e.data);
23             document.getElementById("recv").innerHTML = e.data;
24         }
25         document.getElementById("sendBtn").onclick = function(){
26             var txt = document.getElementById("sendTxt").value;
27             websocket.send(txt);
28         }
29 
30     </script>
31 </body>
32 </html>