394. a
]centric. [ 1-תואם השירות בזמן אמת כל שנכתב בשפת התכנות בזמן אמת, פירשו של שרת ה
לתרחיש הקודם, בזמן אמת באינטרנט רך בדיוק בזמן אמת מחשוב: נסיעה הלוך ושוב על אות
413. browser, a long-held browser explicitly
• মেকত'web a webিHত HTTPdataেরােধর এক: ওেব সাভGাঅ=াি?েকশন মেডল request allo
Comet is in which HTTP
েযখােন এক: দীঘGঅন7 to push অন7 to a
ws a server without the
র ডাটা এক: *াউ
requesting it.[1][2]Comet isJদ,. [1] [2] ধterm, এক: বLহMর শN, এই অG Server Push
জার Jথেক push করার অন7মিত an umbrella মেকত' encompassing HTTP techni
Ajax Push, Reverse Ajax, Two-way-web, HTTP Streaming, multiple
ques for achieving this interaction. All these methods rely on features incl
জন জন= একািধক Jকৗশল encompassing িমথিQা.এই পSিত Jযমন জাভািT
uded by default in browsers, such as JavaScript, rather than on non-defa
U িহসােব *াউজার,, মেধ= বদেল নন িডফW ?াগ িডফWYেপ অZভGুৈবিশ0= িনভGর
. ধ plugins. The Comet approach differs from the
ult মেকত' পSিত ওেব এর মল আদশ, যা এক: *াউজার এক: সমে এক: স_ূণG
G
ওেব পLH model of the web,
originalা অন7েরাধ Jথেক পLথক. in which a browser requests a complete web p
age at a time.
529. function xhrStreaming(url, callback) {
var xhr = new XMLHttpRequest();
xhr.open('POST', url, true);
var lastSize;
xhr.onreadystatechange = function() {
var newTextReceived;
if(xhr.readyState 2) {
// 최신
643. package {
import flash.net.Socket;
import flash.events.ProgressEvent;
import flash.events.Event;
import flash.display.Sprite;
public class Test extends Sprite{
private var s:Socket;
public function Test() {
s = new Socket();
s.addEventListener(ProgressEvent.SOCKET_DATA, onSockData);
s.addEventListener(Event.CONNECT, onSockConnect);
s.addEventListener(Event.CLOSE, onSockClose);
s.connect('127.0.0.1', 4001);
}
private function onSockData(event:ProgressEvent):void{
var str:String = s.readUTFBytes(s.bytesAvailable);
trace(str);
}
private function onSockConnect(event:Event):void{
s.writeUTFBytes('aaaa');
}
private function onSockClose(event:Event):void{
trace('close');
}
}
}
665. if ('WebSocket' in window) {
var oSocket = new WebSocket(“ws://localhost:80”);
oSocket.onmessage = function (e) {
console.log(e.data);
};
oSocket.onopen = function (e) {
console.log(“open”);
};
oSocket.onclose = function (e) {
console.log(“close”);
};
oSocket.send(“message”);
oSocket.close();
}