/** * H5 EventSource 实现web页面推送功能demo */var serverData,statusDiv;var SERVER_URL = "index.php";  //servers Url Adresswindow.onload = function(){	/*	
     
    
     
	*/    serverData = document.getElementById("serverData");    statusDiv = document.getElementById("statusDiv");    startlistenServer();}function startlistenServer(){    statusDiv.innerHTML = "start Connect Server...";    var es = new EventSource(SERVER_URL);    es.addEventListener("newDate",newDateHandler);    es.onopen =openHandler;    es.onerror = errorHandler;    es.onmessage = messageHandler;}function openHandler(e){    statusDiv.innerHTML="Server open";}function errorHandler(e){    statusDiv.innerHTML="Error";}function messageHandler(e){    serverData.innerHTML = e.data;}function newDateHandler(e){    serverData.innerHTML = e.data;}