鉴于以下HTML，JavaScript和XML，
是什么 tempText.innerHTML = allImages[i].textContent
意思是，
的价值是多少 allImages[i].textContent
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>My Second Ajax Script</title>
<link type="text/css" rel="stylesheet" href="script02.css" />
<script type="text/javascript" src="script02.js"></script>
</head>
<body>
<div id="pictureBar"> </div>
</body>
</html>
window.onload = initAll;
var xhr = false;
function initAll() {
if (window.XMLHttpRequest) {
xhr = new XMLHttpRequest();
}
else {
if (window.ActiveXObject) {
try {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e) { }
}
}
if (xhr) {
xhr.onreadystatechange = showPictures;
xhr.open("GET", "C:\wamp\www\flickrfeed.xml", true);
xhr.send(null);
}
else {
alert("Sorry, but I couldn't create an XMLHttpRequest");
}
}
function showPictures() {
var tempDiv = document.createElement("div");
var tempText = document.createElement("div");
if (xhr.readyState == 4) {
if (xhr.status == 200) {
var allImages = xhr.responseXML.getElementsByTagName("content");
for (var i=0; i<allImages.length; i++) {
tempText.innerHTML = allImages[i].textContent;
tempDiv = tempText.getElementsByTagName("p");
var theText = tempDiv[1].innerHTML;
theText = theText.replace(/240/g,"75");
theText = theText.replace(/180/g,"75");
theText = theText.replace(/_m/g,"_s");
document.getElementById("pictureBar").innerHTML += theText;
}
}
else {
alert("There was a problem with the request " + xhr.status);
}
}
}
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<feed xmlns="http://www.w3.org/2005/Atom"
xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:flickr="urn:flickr:" xmlns:media="http://search.yahoo.com/mrss/">
<title>Content from Paradise Ridge Sculpture Grove</title>
<link rel="self" href="http://api.flickr.com/services/feeds/photoset.gne?set=72157600976524175&nsid=23922109@N00&lang=en-us" />
<link rel="alternate" type="text/html" href="http://www.flickr.com/photos/dorismith/sets/72157600976524175"/>
<id>tag:flickr.com,2005:http://www.flickr.com/photos/23922109@N00/sets/72157600976524175</id>
<icon>http://farm2.static.flickr.com/1335/882568164_72eee9b41f_s.jpg</icon>
<subtitle>The <a href="http://www.paradiseridgewinery.com/">Paradise Ridge Winery</a> not only has great wines, but they also have a sculpture garden. We visited on 22 July 2007.</subtitle>
<updated>2007-07-24T05:19:08Z</updated>
<generator uri="http://www.flickr.com/">Flickr</generator>
<entry>
<title>IMG_0045.JPG</title>
<link rel="alternate" type="text/html" href="http://www.flickr.com/photos/dorismith/882590644/in/set-72157600976524175/"/>
<id>tag:flickr.com,2005:/photo/882590644/in/set-72157600976524175</id>
<published>2007-07-24T05:19:08Z</published>
<updated>2007-07-24T05:19:08Z</updated>
<dc:date.Taken>2007-07-22T13:42:49-08:00</dc:date.Taken>
<content type="html">
<p><a href="http://www.flickr.com/people/dorismith/">Dori Smith</a> posted a photo:</p>
<p><a href="http://www.flickr.com/photos/dorismith/882590644/" title="IMG_0045.JPG"><img src="http://farm2.static.flickr.com/1063/882590644_5a4a0d89f3_m.jpg" width="240" height="180" alt="IMG_0045.JPG" /></a></p>
</content>
<author>
<name>Dori Smith</name>
<uri>http://www.flickr.com/people/dorismith/</uri>
</author>
<link rel="enclosure" type="image/jpeg" href="http://farm2.static.flickr.com/1063/882590644_5a4a0d89f3_m.jpg" />
<category term="winery" scheme="http://www.flickr.com/photos/tags/" />
<category term="sonomacounty" scheme="http://www.flickr.com/photos/tags/" />
<category term="sculptures" scheme="http://www.flickr.com/photos/tags/" />
<category term="dorismith" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridge" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridgesculptures" scheme="http://www.flickr.com/photos/tags/" />
</entry>
<entry>
<title>IMG_0043.JPG</title>
<link rel="alternate" type="text/html" href="http://www.flickr.com/photos/dorismith/882589162/in/set-72157600976524175/"/>
<id>tag:flickr.com,2005:/photo/882589162/in/set-72157600976524175</id>
<published>2007-07-24T05:19:08Z</published>
<updated>2007-07-24T05:19:08Z</updated>
<dc:date.Taken>2007-07-22T13:41:55-08:00</dc:date.Taken>
<content type="html">
<p><a href="http://www.flickr.com/people/dorismith/">Dori Smith</a> posted a photo:</p>
<p><a href="http://www.flickr.com/photos/dorismith/882589162/" title="IMG_0043.JPG"><img src="http://farm2.static.flickr.com/1179/882589162_25b4d6bcbe_m.jpg" width="180" height="240" alt="IMG_0043.JPG" /></a></p>
</content>
<author>
<name>Dori Smith</name>
<uri>http://www.flickr.com/people/dorismith/</uri>
</author>
<link rel="enclosure" type="image/jpeg" href="http://farm2.static.flickr.com/1179/882589162_25b4d6bcbe_m.jpg" />
<category term="winery" scheme="http://www.flickr.com/photos/tags/" />
<category term="sonomacounty" scheme="http://www.flickr.com/photos/tags/" />
<category term="sculptures" scheme="http://www.flickr.com/photos/tags/" />
<category term="dorismith" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridge" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridgesculptures" scheme="http://www.flickr.com/photos/tags/" />
</entry>
<entry>
<title>IMG_0042.JPG</title>
<link rel="alternate" type="text/html" href="http://www.flickr.com/photos/dorismith/882587910/in/set-72157600976524175/"/>
<id>tag:flickr.com,2005:/photo/882587910/in/set-72157600976524175</id>
<published>2007-07-24T05:19:08Z</published>
<updated>2007-07-24T05:19:08Z</updated>
<dc:date.Taken>2007-07-22T13:40:36-08:00</dc:date.Taken>
<content type="html">
<p><a href="http://www.flickr.com/people/dorismith/">Dori Smith</a> posted a photo:</p>
<p><a href="http://www.flickr.com/photos/dorismith/882587910/" title="IMG_0042.JPG"><img src="http://farm2.static.flickr.com/1073/882587910_39ffde28e6_m.jpg" width="240" height="180" alt="IMG_0042.JPG" /></a></p>
</content>
<author>
<name>Dori Smith</name>
<uri>http://www.flickr.com/people/dorismith/</uri>
</author>
<link rel="enclosure" type="image/jpeg" href="http://farm2.static.flickr.com/1073/882587910_39ffde28e6_m.jpg" />
<category term="winery" scheme="http://www.flickr.com/photos/tags/" />
<category term="sonomacounty" scheme="http://www.flickr.com/photos/tags/" />
<category term="sculptures" scheme="http://www.flickr.com/photos/tags/" />
<category term="dorismith" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridge" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridgesculptures" scheme="http://www.flickr.com/photos/tags/" />
</entry>
<entry>
<title>IMG_0041.JPG</title>
<link rel="alternate" type="text/html" href="http://www.flickr.com/photos/dorismith/882586288/in/set-72157600976524175/"/>
<id>tag:flickr.com,2005:/photo/882586288/in/set-72157600976524175</id>
<published>2007-07-24T05:19:08Z</published>
<updated>2007-07-24T05:19:08Z</updated>
<dc:date.Taken>2007-07-22T13:40:18-08:00</dc:date.Taken>
<content type="html">
<p><a href="http://www.flickr.com/people/dorismith/">Dori Smith</a> posted a photo:</p>
<p><a href="http://www.flickr.com/photos/dorismith/882586288/" title="IMG_0041.JPG"><img src="http://farm2.static.flickr.com/1334/882586288_6de3304bbb_m.jpg" width="240" height="180" alt="IMG_0041.JPG" /></a></p>
</content>
<author>
<name>Dori Smith</name>
<uri>http://www.flickr.com/people/dorismith/</uri>
</author>
<link rel="enclosure" type="image/jpeg" href="http://farm2.static.flickr.com/1334/882586288_6de3304bbb_m.jpg" />
<category term="winery" scheme="http://www.flickr.com/photos/tags/" />
<category term="sonomacounty" scheme="http://www.flickr.com/photos/tags/" />
<category term="sculptures" scheme="http://www.flickr.com/photos/tags/" />
<category term="dorismith" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridge" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridgesculptures" scheme="http://www.flickr.com/photos/tags/" />
</entry>
<entry>
<title>IMG_0040.JPG</title>
<link rel="alternate" type="text/html" href="http://www.flickr.com/photos/dorismith/882583896/in/set-72157600976524175/"/>
<id>tag:flickr.com,2005:/photo/882583896/in/set-72157600976524175</id>
<published>2007-07-24T05:19:08Z</published>
<updated>2007-07-24T05:19:08Z</updated>
<dc:date.Taken>2007-07-22T13:39:49-08:00</dc:date.Taken>
<content type="html">
<p><a href="http://www.flickr.com/people/dorismith/">Dori Smith</a> posted a photo:</p>
<p><a href="http://www.flickr.com/photos/dorismith/882583896/" title="IMG_0040.JPG"><img src="http://farm2.static.flickr.com/1233/882583896_90fad7b9ea_m.jpg" width="180" height="240" alt="IMG_0040.JPG" /></a></p>
</content>
<author>
<name>Dori Smith</name>
<uri>http://www.flickr.com/people/dorismith/</uri>
</author>
<link rel="enclosure" type="image/jpeg" href="http://farm2.static.flickr.com/1233/882583896_90fad7b9ea_m.jpg" />
<category term="winery" scheme="http://www.flickr.com/photos/tags/" />
<category term="sonomacounty" scheme="http://www.flickr.com/photos/tags/" />
<category term="sculptures" scheme="http://www.flickr.com/photos/tags/" />
<category term="dorismith" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridge" scheme="http://www.flickr.com/photos/tags/" />
<category term="paradiseridgesculptures" scheme="http://www.flickr.com/photos/tags/" />
</entry>
</feed>
答案 0 :(得分：3)
鉴于这直接来自 JavaScript＆amp;用于Web的Ajax：Visual QuickStart Guide，第7版 1 ，您在第329-335页的（逐行）说明中遇到了什么问题？
1 由我共同撰写，顺便说一句。
答案 1 :(得分：0)
textContent包含（惊喜！）节点的文本内容，例如其内容以及所有标签都被剥离。
答案 2 :(得分：0)
.innerHTML表示目标元素中的HTML。
例如
Hello World！
元素<。p>
的.innerHTML是'Hello World！'。
我不了解你的其他查询。
虽然我相信.textContent可能意味着XML节点的文本内容