onmessage 事件

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</a></li> <li><a href="/sw/jsref/dom_obj_time.html" title="HTML DOM Time mmoja"><time></a></li> <li><a href="/sw/jsref/dom_obj_title.html" title="HTML DOM Title mmoja"><title></a></li> <li><a href="/sw/jsref/dom_obj_track.html" title="HTML DOM Track mmoja"><track></a></li> <li><a href="/sw/jsref/dom_obj_u.html" title="HTML DOM Underline mmoja"><u></a></li> <li><a href="/sw/jsref/dom_obj_ul.html" title="HTML DOM Ul mmoja"><ul></a></li> <li><a href="/sw/jsref/dom_obj_var.html" title="HTML DOM Variable mmoja"><var></a></li> <li><a href="/sw/jsref/dom_obj_video.html" title="HTML DOM Video mmoja"><video></a></li> </ul> <h2>其他参考手册</h2> <ul> <li><a href="/sw/jsref/obj_cssstyledeclaration.html" title="CSSStyleDeclaration mmoja">CSSStyleDeclaration</a></li> <li><a href="/sw/jsref/jsref_type_conversion.html" title="JavaScript mchakato wa ujenzi">JS 类型转换</a></li> </ul> </div> <div><h3><center> 选修课 </center><h3> <h2>课程推荐：</h2> <ul> <li><a href="/sw/howto/index.html" title="CodeW3C.com vipindi vya kipindi">CodeW3C.com vipindi vya kipindi</a></li> </ul> </div> </div> <div id="maincontent"> <div class="idea"> <a href="/"><button>English</button></a> <a href="/zh/"><button>中文</button></a> <a href="/oldzh/"><button>繁體中文</button></a> <a href="/ru/"><button>Русский</button></a> <a href="/fr/"><button>Français</button></a> <a href="/de/"><button>Deutsch</button></a> <a href="/es/"><button>Español</button></a> <a href="/pt/"><button>Português</button></a> <a href="/ja/"><button>日本語</button></a> <a href="/ko/"><button>한국어</button></a> <a href="/it/"><button>Italiano</button></a> <a href="/ar/"><button>عربي</button></a> <a href="/hi/"><button>हिंदी</button></a> <a href="/bn/"><button>বাংলা</button></a> <a href="/ms/"><button>Bahasa Malaysia</button></a> <a href="/my/"><button>မြန်မာ</button></a> <a href="/vi/"><button>Tiếng Việt</button></a> <a href="/th/"><button>ภาษาไทย</button></a> <a href="/lo/"><button>ລາວ</button></a> <a href="/id/"><button>Bahasa Indonesia</button></a> <a href="/ur/"><button>اردو</button></a> <a href="/ha/"><button>Hausa</button></a> <a href="/pl/"><button>Język polski</button></a> <a href="/pa/"><button>ਪੰਜਾਬੀ</button></a> <a href="/sv/"><button>Svenska</button></a> <a href="/da/"><button>Dansk</button></a> <a href="/nl/"><button>Nederlands</button></a> <a href="/tr/"><button>Türkçe</button></a> <a href="/fi/"><button>suom.</button></a> <a href="/el/"><button>Ελληνικά</button></a> <a href="/fa/"><button>فارسی</button></a> <a href="/sw/"><button>Kiswahili</button></a> <a href="/te/"><button>తెలుగు</button></a> <a href="/tl/"><button>wikang Galu</button></a> </div> <h1>onmessage 事件</h1> <div class="btn-toref"> <a href="/sw/jsref/dom_obj_event.html" title="Matukio wa HTML DOM">Tukio za DOM</a> <a href="/sw/jsref/obj_event.html" title="Event mmoja">Event mmoja</a> </div> <div> <h2>定义和用法</h2> <p>当通过事件源接收到消息时，会发生 onmessage 事件。</p> <p>onmessage 事件的 event 对象支持以下属性：</p> <ul> <li>data - 包含实际的消息</li> <li>origin - 调用事件的文档的 URL</li> <li>lastEventId - 在事件流中看到的最后一条消息的标识符</li> </ul> <p>相关事件：</p> <ul> <li><a href="/sw/jsref/event_onopen_sse.html" title="Tukio linalotolewa kwa onopen">onopen</a> - 当与服务器的连接打开时发生</li> <li><a href="/sw/jsref/event_onerror_sse.html" title="Tukio linalotolewa kwa onerror">onerror</a> - 出现问题时发生</li> </ul> <p>有关服务器发送事件（Server-Sent Events）的更多知识，请学习我们的 <a href="/sw/html/html5_serversentevents.html" title="HTML SSE API">Mafunzo ya HTML5 ya Habari ya Kuzingatia Kwa Mtu wa Kifaa (Server-Sent Events)</a>.</p> </div> <div> <h2>Mifano</h2> <h3>Mifano ya 1</h3> <p>Kumekadiri kwa kumwengia kwa sababu ya kumwengia kwa sababu ya URL ya wasifu wa wengia wa kuzingatia shindano</p> <p>Kila mara inasababisha kufikia fursa ya kufikia habari ya kuzingatia shindano, kila mara inatofautiana kwa sababu ya kufikia habari ya kuzingatia shindano. Kwa kawaida, kila mara inaonekana kwa sababu ya kufikia habari ya kuzingatia shindano inayofikia elementi ya <div> yenye id="myDIV":</p> <pre class="language-js"> var source = new EventSource("demo_sse.php"); source.onmessage = function(event) { document.getElementById("myDIV").innerHTML += event.data + "<br>"; }; </pre> <p class="tiy"><a target="_blank" href="/sw/tiy/t.html?f=event_onmessage_sse_1">Jifunze kufanya kwa uangalifu</a></p> <h3>Mifano ya 2</h3> <p>Pata URL ya wasifu wa kitabu cha kuzingatia shindano:</p> <pre class="language-js"> var source = new EventSource("demo_sse.php"); source.onmessage = function(event) { document.getElementById("myDIV").innerHTML = event.origin; }; </pre> <p>Matokeo gani:</p> <pre>https://www.codew3c.com/</pre> <p class="tiy"><a target="_blank" href="/sw/tiy/t.html?f=event_onmessage_sse_2">Jifunze kufanya kwa uangalifu</a></p> </div> <div> <h2>Mifano ya Kiingilizi</h2> <pre class="language-js"> <i>object</i>.onmessage = function(){<i>myScript</i>}; </pre> <p class="tiy"><a target="_blank" href="/sw/tiy/t.html?f=event_onmessage_sse_1">Jifunze kufanya kwa uangalifu</a></p> <p>Kutumia method ya addEventListener():</p> <pre class="language-js"> <i>object</i>.addEventListener("message", <i>myScript</i>); </pre> <p class="tiy"><a target="_blank" href="/sw/tiy/t.html?f=event_onmessage_sse_listener">Jifunze kufanya kwa uangalifu</a></p> <p class="note"><span>Kutumia Komboni:</span>Internet Explorer 8 na kuzingatia zaidi huzi hazina inasema kwa sababu ya kumfanya kufikia kwa sababu ya vifaa vyenye programu vya kompyuta vya kwanza vya Internet Explorer <a href="/sw/jsref/met_element_addeventlistener.html" title="HTML DOM addEventListener() method">Method ya addEventListener()</a>.</p> </div> <div> <h2>Vichota vya Teknolojia</h2> <table class="definition-usage"> <tr> <th style="width: 25%;">Kuphupu:</th> <td>Hakuna matumizi</td> </tr> <tr> <th>Inafikia:</th> <td>Hakuna matumizi</td> </tr> <tr> <th>Aina ya tukio:</th> <td><a href="/sw/jsref/obj_event.html" title="Event mmoja">Event</a></td> </tr> </table> </div> <div> <h2>Matumizi ya browseri</h2> <p>Makabila ya namba kwenye tablica inaeleza na browseri za kwanza ambazo zinaongeza tukio hili kwa kuzuka.</p> <table class="browser-support"> <tr> <th class="bsTh">Tukio</th> <th class="bsChrome">Chrome</th> <th class="bsIE">IE</th> <th class="bsFirefox">Firefox</th> <th class="bsSafari">Safari</th> <th class="bsOpera">Opera</th> </tr> <tr> <td>onmessage</td> <td>9.0</td> <td>Hakuna matumizi</td> <td>6.0</td> <td>5.0</td> <td>11.0</td> </tr> </table> </div> <div class="btn-toref"> <a href="/sw/jsref/dom_obj_event.html" title="Matukio wa HTML DOM">Tukio za DOM</a> <a href="/sw/jsref/obj_event.html" title="Event mmoja">Event mmoja</a> </div><div style="background-color:#fcfdf8; padding:0;"> </div> </div>  <div id="sidebar"> <div><h3><center> Kifunzi cha kawaida </center><h3> <h5 id="tools_reference"><a href="/sw/jsref/index.html">Mshakilishi wa JavaScript na HTML DOM wa Taarifa</a></h5> <h5 id="tools_example"><a href="/sw/js/js_examples.html">Mifano ya JavaScript</a></h5> <h5 id="tools_quiz"><a href="/sw/js/js_quiz.html">Muhtasari wa JavaScript</a></h5> <h5 id="tools_tutorial"><a href="/sw/js/index.html">Mafunzo ya JavaScript</a></h5> </div> <div><h3><center> Mawasiliano wa mshabiki </center><h3> <div id="sbtg"> <script src="/myjs/zzsr.js"></script> </div> </div> </div> <div id="footer"> <p id="p1"> Mawasiliano wa msingi </p> <p id="p2"> <a href="/sw/about/index.html" title="Kuhusu CodeW3C.com">Kuhusu CodeW3C.com</a> <a href="/sw/about/about_helping.html" title="Msaada wa CodeW3C.com">Msaada wa CodeW3C.com</a> <a href="/sw/about/about_use.html" title="Kuhusu kutumia">Shabiki wa CodeW3C.com inaunda zawadi zaidi ya kufungua na kufikia kwa ajili ya mafunzo na mafanikio, hataraji kweli wa zawadi. 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