Xml and Javascript
Xml and Javascript
我已经看过很多教程了,但我似乎仍然无法做到这一点。
我有以下 XML 文档
<?xml version="1.0" encoding="UTF-8"?>
<bookstore>
<book category="COOKING">
<title lang="en">Everyday Italian</title>
<author>Giada De Laurentiis</author>
<year>2005</year>
<price>30.00</price>
</book>
<book category="CHILDREN">
<title lang="en">Harry Potter</title>
<author>J K. Rowling</author>
<year>2005</year>
<price>29.99</price>
</book>
<book category="WEB">
<title lang="en">Learning XML</title>
<author>Erik T. Ray</author>
<year>2003</year>
<price>39.95</price>
</book>
</bookstore>
我的HTML中也有以下javascript
if (window.XMLHttpRequest)
{
xhttp=new XMLHttpRequest();
}
else // for IE 5/6
{
xhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xhttp.open("GET","book.xml",false);
xhttp.send();
xmlDoc=xhttp.responseXML;
alert(xmlDoc.getElementsByTagName("title").nodeValue);
我希望能够提醒特定标题(如果可能,则提醒所有标题)。
这怎么可能?
那么,如何才能只获得第一个"标题"并提醒它呢?
假设xmlDoc
,
var titles = xmlDoc.getElementsByTagName("title"); // NodeList
if (titles[0]) // if there is an item in index 0
alert(titles[0].textContent); // alert it's textContent
else // otherwise
alert('Error: no titles'); // some error message
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