Websocket 如何在Javascript onclose函数中访问onclose事件代码?
我有一个简单的WebSocket问题Websocket 如何在Javascript onclose函数中访问onclose事件代码?,websocket,Websocket,我有一个简单的WebSocket问题 <!DOCTYPE html> <meta charset="utf-8" /> <title>WebSocket Test</title> <script language="javascript" type="text/javascript"> var wsUri = "ws://echo.websocket.org/"; var output; function in
<!DOCTYPE html>
<meta charset="utf-8" />
<title>WebSocket Test</title>
<script language="javascript" type="text/javascript">
var wsUri = "ws://echo.websocket.org/";
var output;
function init() {
output = document.getElementById("output");
testWebSocket();
}
function testWebSocket() {
websocket = new WebSocket(wsUri);
websocket.onopen = function (evt) {
onOpen(evt)
};
websocket.onclose = function (evt) {
onClose(evt)
};
websocket.onmessage = function (evt) {
onMessage(evt)
};
websocket.onerror = function (evt) {
onError(evt)
};
}
function onOpen(evt) {
writeToScreen("CONNECTED");
doSend("WebSocket rocks");
}
function onClose(evt) {
writeToScreen("DISCONNECTED");
}
function onMessage(evt) {
writeToScreen('<span style="color: blue;">RESPONSE: ' + evt.data + '</span>');
websocket.close();
}
function onError(evt) {
writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);
}
function doSend(message) {
writeToScreen("SENT: " + message);
websocket.send(message);
}
function writeToScreen(message) {
var pre = document.createElement("p");
pre.style.wordWrap = "break-word";
pre.innerHTML = message;
output.appendChild(pre);
}
window.addEventListener("load", init, false);
</script>
<h2>WebSocket Test</h2>
<div id="output"></div>
</html>
现在这是我的onclose函数
function onClose(evt) { writeToScreen("DISCONNECTED"); }
我已经发布了一个警报作为警报(evt),但我没有得到任何接近的代码
请任何人帮忙试试这个:
function onClose(event)
{
alert('Onclose called' + event);
alert('code is' + event.code);
alert('reason is ' + event.reason);
alert('wasClean is' + event.wasClean);
}
第一个警报只会产生一个无用的
[object object]
警报('Onclose调用'+JSON.stringify(event))No,应该是JSON.stringify(event,Object.getOwnPropertyNames(event))
。
function onClose(event)
{
alert('Onclose called' + event);
alert('code is' + event.code);
alert('reason is ' + event.reason);
alert('wasClean is' + event.wasClean);
}