WS长连接

var comm_dev = new WebSocket(baseUrl_ws)comm_dev.onopen = function () {Info = {}comm_dev.send(JSON.stringify(Info))}comm_dev.onmessage = function (event){// do something}comm_dev.onerror = function () {myalert_waring('注意！实时连接已断开请重新载入网页')};comm_dev.onclose = function () {layer.alert('WS连接失败，请重试！')}
if ("WebSocket" in window) {myalert_success(您的浏览器支持 WebSocket!)} else {myalert_error("您的浏览器不支持 WebSocket!")}