mozillaxpathexample5.htm

来自「javascript源码」· HTM 代码 · 共 41 行

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
    <head>
        <title>Mozilla XPath Example</title>   
        <script type="text/javascript" src="detect.js"></script>
        <script type="text/javascript" src="xmldom.js"></script>   
        <script type="text/javascript">
            if (isMoz) {
                Element.prototype.selectSingleNode = function (sXPath) {
                    var oEvaluator = new XPathEvaluator();
                    var oResult = oEvaluator.evaluate(sXPath, oXmlDom.documentElement, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
        
                    if (oResult != null) {
                        return oResult.singleNodeValue;
                    } else {
                        return null;
                    }              
                }
            }        
        </script>
         
    </head>
    <body>
        <p>This example gets the first node matching the expression <code>employee/name</code>.</p>
        <script type="text/javascript">
            var oXmlDom = document.implementation.createDocument("","",null);
            
            oXmlDom.async = false;
            
            oXmlDom.load("employees.xml");
            
            alert(oXmlDom.documentElement.selectSingleNode("employee/name").xml);

            
        </script>
 
 
    </body>
</html>

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