Function To Add Text Nodes

Jul 24, 2005

I have a bunch of numbers on my page, wrapped in a particular HTML element e.g.
<h2>5</h2>, <h2>1</h2>, <h2>3</h3>

I am looking for a javascript function that can add these numbers together. The tricky thing is that I do not know how many numbers there might be - anything from 0 to 7.

If necessary, I can give each of the <h2>'s a unique class eg. <h2 class="a">5</h2>, <h2 class="b">1</h2> etc.

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Why Are Anchor Nodes Pointing To Href And Text Nodes Pointing To [object?

Aug 6, 2010

Consider following html code
<p id="oliver">
<a id="oliver1" href="/oliver1/">Oliver Twist 1</a>
<a id="oliver2" href="/oliver2/">Oliver Twist 2</a>
<a id="oliver3" href="/oliver3/">Oliver Twist 3</a>
<a id="oliver4" href="/oliver4/">Oliver Twist 4</a>
</p>

Applying JavaScript to above html as following:

[Code]...

Why are anchor nodes pointing to href and text nodes pointing to [object]? As anchor and text both are objects therefore all outputs from indices 0 to 7 should be [object].

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Jun 24, 2010

So I have the following xml:<ingredient name="rice"><us>1 cup</us><metric>250 mL</metric> of uncooked Korean rice</ingredient>

I want grab only the "of uncooked Korean rice" part. I tried to use text() but it would grab the text from inside the "us" and "metric" element.

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Jul 31, 2004

I'm trying to figure out how I can take user input from a textarea and insert it into a table as HTML. An example:

<script type="text/javascript">
<!--
function echo_input() {
var input = document.getElementById("user_input").value;
var cell = document.getElementById("display_area");
cell.childNodes[0].nodeValue = input;
}
//-->
</script>

<form>
<textarea id="user_input" name="user_input" onkeyup="echo_input();"></textarea>
</form>

<table>
<tr>
<td id="display_area">test</td>
</tr>
</table>

The childNodes[0] that the script keeps editing is the text node that starts out as "test". The problem is that I want the text that I put in the table to be parsed if any markup is in it (so that a <br /> will become a break, and not literally printed out as "<br />"), something that the DOM automatically escapes. It seems a very cumbersome means of doing this is to write a javascript parser, which would go through the text and create different types of nodes as it stumbles upon markup.

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Sep 23, 2005

Why does Firefox insert #text nodes as children of TR elements?

As a work-around for older Safari versions not properly supporting a
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it was pretty much exactly the same thing. However, in Firefox 1.0.7
text nodes are inserted between the TDs. I'm certain that this didn't
use to happen with older versions.

The HTML specification states that the only element that can be the
child of a TR is a TD, so why does Firefox put text nodes in there?

If this how the DOM is supposed to be built, can someone give me a
reference to where it states that? Or should this be reported as a
Firefox bug?

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Jun 10, 2009

[code]...

Anyone got any tips on how to find out if the last letter of my label is 'F'?

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Nov 20, 2010

This is the first question I couldn't find answered by Google! No doubt the answer is out there, but...

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What's the best way to determine if a node is of each type? I can obviously look at the node contents, but I wondered if there was a "best practices" here?

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Apr 6, 2010

What's the best way to wrap all the nodes between two nodes in DIV tags? Is it possible with the DOM? I have code similar to the following:

HTML Code:

<h3>First header</h3>
<p>First paragraph</p>
<p>Second paragraph</p>

[code].....

How can I achieve this with the DOM, without resorting to doing something like a string replace?

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I m having a text data of around 6 page length in a text editor...I want to print dat data using window.print. For that i displayed dat data in a html page and used window.print(). Bt my client wants dat some line spaces shud be inserted first in the starting of the page and on the second page also...After that the printing shud be normal... How can i set the page in such a format...?

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Sep 1, 2005

is there a possibility to move a node from one child position to
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Nov 1, 2007

I'm trying to iterate through nodes in a Selection Range, but I'm having a bit of trouble determining why all nodes in the range aren't being hit. It seems like deeply nested nodes aren't being hit for some reason.

Here's the code I'm using.

var n = startNode;
while (n) {
this.visited.push('[' + n.nodeName + ']');

if (n == endNode) {
break;
}

if (n != startNode && n.hasChildNodes()) {
n = n.firstChild;
} else {
while (!n.nextSibling) {
n = n.parentNode;
}
n = n.nextSibling;
}
}

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Feb 17, 2011

I have two nodes with elements get by tag name.Now i want these two nodes merged in one node.ie:

list1 = document.getElementById("menu1").getElementsByTagName("a");
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Jul 23, 2005

There doesn't seem to be any mechanism to "clear" a node of all
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children before appending other nodes). I've come up with two
possibilities: Code:

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Jul 23, 2005

I try to associate DOM nodes with other objects. Assigning custom
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are part of trees returned by XMLHttpRequest. How can I work around this
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object with each node.

The syntax I am using is
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Feb 8, 2007

I must be missing something very obvious, but my nightly head doesn't work anymore.

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Mar 15, 2010

I'm sure I'm missing something basic, but I can't seem to find what I'm looking for. If I have an xml doc where the parent node and child nodes contain elements with the same name ("name" in this case), how would I go about just getting the client's name? Here is a slimmed down version of the structure:

<client>
<name></name>
<url></url>

[code]....

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Nov 14, 2004

function Xml_feed(file)
{
this.load = function()
{
var txt, str, title;
var threads = xml.getElementsByTagName('thread');
var len = threads.length;
var box = document.getElementById('box-a');
while (len-->0) {
txt = document.createElement('button');
title = threads[len].getElementsByTagName('title');
str = threads[len].getElementsByTagName('author');
txt.setAttribute('label', title[0].childNodes[0].nodeValue + ' by ' + str[0].childNodes[0].nodeValue);
box.appendChild(txt);
}
};

var xml = document.implementation.createDocument("","",null);
xml.onload = this.load;
try {
xml.load(file);
} catch (e) {
alert('There was a problem loading the XML file');
}
}
var feed = new Xml_feed('blah.xml');


in the red:

Is that how I should be retrieving the value from a child node? (the getElementsByTagName)..

in the blue:

I tried doing this.xml but had problems with doing that, i.e,
this.xml = document.implementation.createDocument("","",null);
this.xml.onload = this.xml.load;
try {
this.xml.load(file);
} catch (e) {
alert('There was a problem loading the XML file');
}
I'll guess that text in the red is why..
btw, this was in an XUL app.. not sure how much that would matter though..

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Jun 1, 2010

I'm having trouble parsing through a table in I.E. Of course it works fine in firefox and chrome. I'm pulling html off of a txt doc and storing it in a temporary div made with createElement so I can go through and parse out the data. Code is below:

[
Code:
var tempdiv = document.createElement("div"); //create temporary element to store html content in
tempdiv.innerHTML = html; //dump html content into new element

[Code]....

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Oct 1, 2010

Having trouble with nodes: this time, childen[].

With this html:

HTML Code:

And multiple other divs with similar structure, id="2", "3" etc, I want to access the <p> tags to change style-- so that, for example, the last paragraph in all of the divs would change.

To access the last paragraph, I've tried:

Code:

--which generates an error message that the function itself is undefined.

There's till something I'm not understanding about using node-seekers with classes of tags. But if I can get it right, it saves giving each of the <p> tags a class, which would be easier, but code-heavy.

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Jul 23, 2005

I dymically replace the child nodes of a DIV element by image nodes. In
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server and viewing the site in Safari with http:// results in an error.

The problematic code is the following:

var node = document.createElement("img");
node.setAttribute("src", filename);
node.setAttribute("style", "position:absolute;left:100px;");// error
document.getElementById(name+"Images").appendChild(node);

When executing this script on Safari in online mode (again: with a
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occuring in the marked line:

"[592] :TypeError - No default value"

Obviously, node.style seems not available at this point. I think
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Is this assumption correct?

That would mean that in Safari, I cannot do _anything_ with the image
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Oct 28, 2005

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string for each object:

var a = {};
a[document] = ...;
a[document.documentElement] = ...;

This is obviously not portable. The portable solution, I guess, is to
come up with a hash function that works usefully on DOM nodes. Has
anyone thought about this problem and come up with a solution? With a
DOM 3 implementation I could even do something like:

var nodes = [];
var nextIndex = 1;
function getIndex(n) {
var i = n.getUserData("NodeIndex");
if (!i) {
i = nextIndex++;
n.setUserData("NodeIndex", i, null);
}
return i;
}

I want this to work with DOM 2 as well, though.

Any ideas?

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$(document).ready(function()
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// The DOM (document object model) is constructed

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