首頁 > 開發者 > Ajax

ajax 不錯的應用_AJAX相關

來源：互聯網
上載者：User
創建阿里雲帳戶，並獲得超過 40 款產品的免費試用版；而企業帳戶則可以享有總值 $1200 的免費試用版。立即註冊！

<script type="text/javascript" language="javascript">

    var http_request = false;

    function makeRequest(url) {

        http_request = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Giving up :( Cannot create an XMLHTTP instance');
            return false;
        }
        http_request.onreadystatechange = alertContents;
        http_request.open('GET', url, true);
        http_request.send(null);

    }

    function alertContents() {

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
                alert(http_request.responseText);
            } else {
                alert('There was a problem with the request.');
            }
        }

    }
</script>
<span
    style="cursor: pointer; text-decoration: underline"
    onclick="makeRequest('test.html')">
        Make a request
</span>

</p><P><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <script type="text/javascript" language="javascript"></p><P> var http_request = false;</p><P> function makeRequest(url) {</p><P> http_request = false;</p><P> if (window.XMLHttpRequest) { // Mozilla, Safari,... http_request = new XMLHttpRequest(); if (http_request.overrideMimeType) { http_request.overrideMimeType('text/xml'); } } else if (window.ActiveXObject) { // IE try { http_request = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { http_request = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {} } }</p><P> if (!http_request) { alert('Giving up :( Cannot create an XMLHTTP instance'); return false; } http_request.onreadystatechange = alertContents; http_request.open('GET', url, true); http_request.send(null);</p><P> }</p><P> function alertContents() {</p><P> if (http_request.readyState == 4) { if (http_request.status == 200) { var xmldoc = http_request.responseXML; var root_node = xmldoc.getElementsByTagName('root').item(0); alert(root_node.firstChild.data); } else { alert('There was a problem with the request.'); } }</p><P> } </script> </head> <body> <span onclick="makeRequest('test.xml')"> Make a request </span> </body></html></p><P>
[Ctrl+A 全選 注:如需引入外部Js需重新整理才能執行]

本文章原先以中文撰寫並發佈於 aliyun.com，亦設英文版本，僅作資訊用途。本網站不對文章的準確性，完整性或可靠性或其任何翻譯作出任何明示或暗示的陳述或保證。如對該文章有任何疑慮或投訴，請傳送電郵至 info-contact@alibabacloud.com 並提供相關疑慮或投訴的詳細說明。職員會於 5 個工作天內與您聯絡，一經驗證之後，即會刪除該侵權內容。

相關關鍵詞：
ajax manual ajax payload w3s ajax ajax websocket ajax datagrid ajax settimeout ajax controls
相關文章
ajax入門指南（二）
ajax使用_雜類
jQuery ajax 檔案下載_ajax
AJAX各種實現方式比較_ajax
AJAX入門--- XMLHttpRequest對象的屬性和方法
解決spring-security session逾時 Ajax 請求沒有重新導向的問題

聯繫我們

該頁面正文內容均來源於網絡整理，並不代表阿里雲官方的觀點，該頁面所提到的產品和服務也與阿里云無關，如果該頁面內容對您造成了困擾，歡迎寫郵件給我們，收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容，歡迎發送郵件至： info-contact@alibabacloud.com 進行舉報並提供相關證據，工作人員會在 5 個工作天內聯絡您，一經查實，本站將立刻刪除涉嫌侵權內容。

熱門內容

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More