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ajax 不错的应用

  • 时间:2021-04-13 23:07 编辑: 来源: 阅读:
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摘要:ajax 不错的应用
<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>
Make a request
[Ctrl+A 全选 注:[url=http://www.1sucai.cn/article/23421.htm]如需引入外部Js需刷新才能执行[/url]]
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