30 lines
884 B
HTML
30 lines
884 B
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>页面一</title>
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</head>
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<body>
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<input type="text" name="" id="msg">
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<button id="send">发送信息</button>
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<script>
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// 建立 websocket 连接
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var ws = new WebSocket("ws://localhost:3000");
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var send = document.querySelector("#send");
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var msg = document.querySelector("#msg");
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send.onclick = function(){
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if(msg.value.trim() !== ""){
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ws.send(msg.value.trim());
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}
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}
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// 关闭窗口或者窗口刷新的时候
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// 要关闭当前的 websocket 连接
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window.onbeforeunload = function(){
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ws.close();
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}
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</script>
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</body>
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</html>
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