How To Read Meta Tag Value With Js?

Nov 23, 2005

Does anyone know how - or better yet - have a sample of how to extract information from a meta tag in an HTML document's head tag using Javascipt?

I have looked at the DOM with Firefox - but it seems so long. I'd be really interested in a better way. If someone has the javascript for walking through the DOM, that would be cool too. I havn't built it yet.

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META Tags

Jul 23, 2005

I have a web form that needs to be printed for signatures. Problem is the
form is just a bit too big and always prints on two pages. Is there a meta
tag that will tell the printer to print the document on one page...or is
there a meta tag I can use to print at 80%?

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Add Meta Tag To <head>?

Mar 11, 2009

[URL]

That didnt work The code is added to the oScript element but thats it. I have tried another script from here:

[URL]

I want to add a meta tag from the body tag and it worked using Jscript

This worked only on my local but not on hoster:

HtmlMeta GoogleVerify = new HtmlMeta();
GoogleVerify.Name = "verify-v1";
GoogleVerify.Content = "681rsArfYmoRz88BIT8ZVDeLk4b6VMEn1+StcF61iwY=";
HtmlHead head = (HtmlHead)Page.Header;
head.Controls.Add(GoogleVerify);

And on the hoster theres a scripting error as well why innerHTML doest work?

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Meta Refresh

Jul 23, 2007

I have a requirement to hit a page, run some JavaScript, and move on to another page. It's uncertain whether the user actually has JavaScript enabled, so I can't use JS to effectuate the move to the second page. Here's what I've got:

<html>
<head>
<meta http-equiv='refresh' content=&#390;url=page2.html'>
</head>
<body>
<script src="http://www.example.com/example.js"></script>
<script>
_xxx = "xxxxxxxxx";
xxx();
</script>
</body>
</html>

My question: will the JS run before the refresh to page2.html? I tested this with an alert() in the script and it seemed to work fine. I just thought some of the W3C gurus out here might be able to give more authoritative answers.

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Add Additional Meta Tags Using JS

Jul 20, 2005

I have documents that I want to automatically add additional meta
tags to. The documents already have some meta tags and I want to keep them
all together, so I want to add my new meta tags to the end of the existing
ones... can someone help me out with a script to do this... example below.=

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Meta Tag For Scripting Language

Jul 20, 2005

I have some doubts about this meta tag:
<META http-equiv="Content-Script-Type" content="text/javascript">

Do I really need to declare this meta tag in all my pages?

If I declare it, will I still need to create my scripts this way?
<script type='text/javascript'>

Is there any advantage/disadvantage when using it?

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Meta Redirect, New Window?

Feb 17, 2003

is it possible to use the META http-equiv=refresh tag to redirect to another page in a NEW window?

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How To Turn Off The AutoComplete Using Meta Tags

Jul 23, 2005

I was wondering if there is some other way to turn autocomplete off besides using "autocomplete=off", using a meta tag or something similar. It would be great if there is some way to turn it off at a page level....

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Stopping Http Or Meta Refresh

Jan 14, 2009

I have a web page which takes a while to generate due to serverside processing. I currently show a "please wait" page, which includes a meta refresh tag, as well as a refresh http header, to refresh the current page every X seconds to check if thier data is finished processing. They're also provided a manual link to click to refresh the page, just in case thier browser doesn't like automatic redirection.

I think this works great for just about all users. But I have this idea that it would be nice if I used ajax to check back with the server instead of making the browser reload the webpage. I want this to be an enhancement of functionality, so that users without javascript or ajax capability still fallback on the solid current functionality. This means I need a way to stop the browser from obeying the http refresh header and meta tag. Is such a thing possible with javascript?

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Update Meta Description With Div Content?

Feb 22, 2010

is there a way to set the meta description to x amount of charictars from the content of a div in the body?

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Passing Meta-knowledge About A Form Element

Jan 20, 2006

I need to create a table where each element has certain specific properties.

For example, elements in the first column should always have a range of
0-100, and increment by 1. Elements in column 2 might have a range of
0-360, and increment by 0.1. Altogether there might be 8 elements in
each row.

Since this is basically the same javascript function over and over, I
wonder if there is a way to create some <input> element that might
contain this knowledge in a way that javascript can access it.

For example, could I have

<input type="text" class="percent" onkeypress="javascript:blah(event)">

where the javascript function could retrieve the class value?

Since this is going to be fairly complex, I'd like to make it fairly
self-documenting and simple. It's much easier for a maintainer to
understand class="precent" than "javascript:blah(0,100,1,event)",
especially since I am also going to have to pass navigation information
(is this a border element in the table? what are my neighbors? kind
of information... - so that the actual information might end up being
javascript:blah(0,100,1,5,21,16,18,0,1,0,0,event) to denote the data
type, the 4 neighbors, and the 4 border conditions....

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JQuery :: Selector Incompatibility With Meta Characters?

Dec 22, 2011

I'm working for a company as a consultant and i'm trying to upgrade their jQuery version to the latest available (1.7.1). Previously they were able to do a selection such as $('a[name*=word<>word]') without any problems, however, after upgrading to 1.7.1 the selection is invalid even when escaping both meta characters with a double backslash ( $('a[name*=word\<\>word']) ) - I know the best solution would be to just change the selection based on something else like a class name, but this is something they are using across the whole site and we have a deadline for this.

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Call A Function In A Meta Refresh Statement?

Jan 18, 2010

Is there a way to call a javascript function in a meta refresh statement? I'm refreshing my page but if I have data in my fields I don't want to loose them. If I can call using a JS function then in that function I can call the Submit function and save my data in the called script.

My syntax below doesn't fire the JS function:

<meta http-equiv="refresh" content="30;url=javascript:auto_refresh();">

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Dynamically Changing Page Title And Meta Description?

Sep 9, 2009

I am using PHP & mySql to grab the title and description that I have stored in a table in the DB.

I am trying to dynamically change the <head> <title></title>, as well as <meta name="Description" content="" /> .

I used document.title to change the title. I see the title changing in the browser, but when I click on view source in the browser to see it int he code, the title is empty. How can I also see it in the code?

How do I change the description in the meta tag?

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JQuery :: Using The Validate Plugin With The Meta Data Plugin?

Jan 20, 2010

im using the validate plugin with the meta data plugin

jQuery(document).ready(
function(){
jQuery("#com-createForm").validate({ meta: "rules" } );
});

and then in the html i have for example

[Code]...

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Read A Pre Tag With Xml ?

Apr 5, 2010

I want to read a pre tag with xml. I am working client side. I have tried everything. The <title> tag gets lost with innerHTML(ok in FF only). I tried traversing the dom and putting in the tag names but the title tag is ignored. I am trying to syntax highlight this. Everything works if I do not use certain html tags. How do I get raw text from the pre? The text would come from one of two sources, a server or inputted into a textarea by the user. It is dynamically placed in the div tag and then processed.

HTML Code:

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How To Read XML

Feb 15, 2012

I'm trying to read an XML file with Javascript. It's supposed to display an alert message but it's not. What's wrong with my code?

HTML
<html>
<head>

[code].....

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Read From A Textfile?

Jul 23, 2005

I have a database with information of my users, lets say their date of
birth.

I want them to be able to go to my site, and login with a username and
password, after which they get to see what their date of birth is (according
to what's stored in the database).

I want to upload a textfile named "userinfo.txt" structured like:
<username>;<password>;<date of birth>, for example:
"johndoe";"johnpass";"1985-11-25"
"marydoe";"marypass";"1986-02-12"


What's the javascript to have a "username/password" box popup, and when a
valid name/pass was entered show the appropriate date of birth?

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Read-only Loading Of An XML

Jul 23, 2005

I use Microsoft.XMLDOM load() method to load an XML file into memory
and display
some elements in the browser.

However it apparently locks the file, since I get this error message
whenever a Visual Basic application concurrently tries to add an
element to the same XML file:

The process cannot access the file because it is being used by another
process.

I would like not to lock this file, but open it in read-only mode
instead. In fact the browser simply needs to read its content, it
doesn't need to modify it at all. As a consequence there is no reason
to lock it.

At the same time, I need to access it from the VB process.

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How To Read The Attribute's Name ?

Jul 23, 2005

How can I read the object's attribute's name ? I mean something like this:

x = new Object
x.myAttr = 5

and how to get the 'myAttr' string ?

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Cannot Read Ext Src Array

Jul 23, 2005

I have an external file, TestVar.js with a single line.
NewsA("This is a test.","test.pdf","TEST")

Within my HTML I wish to use the array variables from TestVar.js, but
can't seem to get them loaded for use. The following is what I have,
but doesn't work. If I directly place the NewsA array in the script
instead of trying to call it from the js it works just the way I want
it, but I really need the external file. What am I doing wrong? Code:

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Read Cgi Response

Jul 10, 2007

I need to parse a response from a cgi script. The response is te
following:

<HTML>UID=834<HTML>
the call for the cgi is http://<server>/cgi-bin/getuid?FILE=uid.html

Now I need the UID in a javascript.
1) call cgi
2) put UID into a variable

How do I have to do that? If I call the cgi the response will be
displayed on the screen but I just need it in the variable.

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Read These Parameters From URL?

Jan 20, 2010

I want to pass parameters thru URL. I know how to pass. I am finding problem in reading the parameters. here is the [URL]. how to to read these parameters from URL using java script?

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How To Read Cookie Set With PHP

Feb 16, 2010

I'm trying to read a cookie that I've set with php with javascript. The cookie is for storing the username when logging in to a site. If the cookie has been set I want the focus in the inline popup to target the password field so that the user doesn't have to tab down from the username field of the login form.

The php script stores the cookie perfectly:
if (isset($_POST['remember'])){
$expire = time()+60*60*24*30;
setcookie("login_username", $username, $expire);
echo $_COOKIE['login_username'];
} else {
if (isset($_COOKIE['login_username']) || isset($_COOKIE['password'])){
$expire = time()-3600;
setcookie("login_username", "", $expire);
}}

The javascript:
if (targetfocus == 'login_username'){
alert(readCookie('login_username'));
if (readCookie('login_username') == 'username'){
targetfocus = 'password';
}}
$("#"+targetfocus).focus();
...
function readCookie(name) {
var cookieName = name + "=";
var cookieArray = document.cookie.split(';');
for (var i = 0; i < cookieArray.length; i++){
var cookie = cookieArray[i];
while (cookie.charAt(0)==' '){
cookie = cookie.substring(1,cookie.length);
}if (cookie.indexOf(cookieName) == 0){
return cookie.substring(cookieName.length,cookie.length);
}return null;
}}

But when trying to read the cookie in the javascript code I receive null when I put an alert to the code. Why won't the javascript find the cookie? Is it because I'm running the site localhost on my laptop? Does that have an effect on cookies?

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Cannot Read 2nd Value In Array

Aug 20, 2004

While writing a look up for internet terms script for a site, I found the script will not read the second value in this array, I could make wl[1] a null value but would like to know what is happening if possible. All of the other elements seem to be ok!

function search(){
wl = new Array()
wl[0]="applet - An Applet is a small application etc";
wl[1]="Bug? - Null but why";
wl[2]="cgi - CGI or Common Gateway Interface allows etc";
wl[3]="browser - A Browser is etc.";
myWord=document.theForm.txtWord.value;
myWord = myWord.toLowerCase();
for(c=0; c < wl.length; c++){
currentWord = wl[c].split(" ");
alert(c + " MyWord " + myWord);
alert(c + " Current " + currentWord[c]);// The alert box = 'Current -' when wl[1] is read.
}
}//end of function

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Read Everything After A Certain Phrase?

May 1, 2011

ok so I know how to do substring to read everything before a certain phrase however is there a way to read everything after a certain phrase? Ex of what this script reads and doesent read

Alex was slain by dog

Bob was slain by cat

Alex & Bob = "Var CharName" My substring reads this in this line:
Var Charname
CharName = msg.substring(0, msg.indexOf(" was"))[code].....

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