javascript 常用方法

attachEvent 邦定事件时传参数

 attachEvent   ('onmouseover',   new   Function("Somefuc(someparma);"));  

//javascrip 读xml文件  

function getDataPushpin() {
    var xmlDoc;

    if (window.ActiveXObject) {
        //获得操作的xml文件的对象 
        xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
        xmlDoc.async = false;
        xmlDoc.load("XMLData/XMLMapsPushpin.xml");
        if (xmlDoc == null) {
            alert('您的浏览器不支持xml文件读取,于是本页面禁止您的操作,推荐使用IE5.0以上可以解决此问题!');
            window.location.href = '/Index.aspx';
            return;
        }
    }
    //解析xml文件，判断是否出错 
    if (xmlDoc.parseError.errorCode != 0) {
        alert(xmlDoc.parseError.reason);
        return;
    }
    //获得根接点 
    var nodes = xmlDoc.documentElement.childNodes;
    //得到根接点下共有子接点个数，并循环 
    for (var i = 0; i < nodes.length; i++) {
        //如果接点名为 Pushpin
        if (nodes(i).nodeName == "Pushpin") {
            readPushpin(nodes(i));
        }      
        }
          //删除对象 
        delete (xmlDoc);
        return;
    }
    //读Pushpin节点 
    function readPushpin(cI) {
        var nodes = cI.childNodes;
        var title;
        var description;
        var x;
        var y;
        //得到Pushpin标题
        if (cI.selectNodes("Title")(0).text != "") {
            title = cI.selectNodes("Title")(0).text;
        }
        //得到Pushpin备注
        if (cI.selectNodes("Description")(0).text != "") {
            description = cI.selectNodes("Description")(0).text;
        }
        //得到Pushpin经度
        if (cI.selectNodes("VELatLongLatitude")(0).text != "") {
            x = cI.selectNodes("VELatLongLatitude")(0).text;
        }
        //得到Pushpin纬度
        if (cI.selectNodes("VELatLongLongitude")(0).text != "") {
            y = cI.selectNodes("VELatLongLongitude")(0).text;
        }
        //添加pushpin
        var currentPixel = new VELatLong(x, y);
        var pin = map.AddPushpin(currentPixel);
        pin.SetTitle(title);
        pin.SetDescription(description);
        return;
    } 

 ////////////////////////////////////////////////////////////////////////////////////////////////

//xml文件 

<?xml version="1.0" encoding="utf-8" ?>
<Pushpins>
  <Pushpin>
    <Title>标题</Title>
    <Description>备注</Description>
    <!--经度-->
    <VELatLongLatitude>34.59704151614415</VELatLongLatitude>
    <!--纬度-->
    <VELatLongLongitude>108.19335937499998</VELatLongLongitude>    
  </Pushpin>
  <Pushpin>
    <Title>标题1</Title>
    <Description>备注1</Description>    
    <VELatLongLatitude>40.64730356252251</VELatLongLatitude>   
    <VELatLongLongitude>111.796875</VELatLongLongitude>
  </Pushpin>
  <Pushpin>
    <Title>标题2</Title>
    <Description>备注2</Description>
    <VELatLongLatitude>30.448673679287544</VELatLongLatitude>
    <VELatLongLongitude>114.34570312499998</VELatLongLongitude>
  </Pushpin>
  <Pushpin>
    <Title>标题3</Title>
    <Description>备注3</Description>
    <VELatLongLatitude>30.77133907653231</VELatLongLatitude>
    <VELatLongLongitude>112.83302307128909</VELatLongLongitude>
  </Pushpin>
</Pushpins>