Textarea Populated But Post Returns Null
Jun 18, 2011
I have a form in which I preset some text inside a readonly, disabled textarea using javascript ('data' being the text):
document.getElementById("link_of_current_view2").value = data;
However, once I call my .php script to process the form, the element is null. How do I get it to pass along that data, which is in the textbox when the user views the form?
<div id="sendlink" class="contact_form" style="z-index:10;">
<a class="close" onclick="document.sendlink_form.reset();return false">CLOSE</a>
<form id='sendlink_form' name='sendlink_form' method="post" action="sendlink.php" >
<label for="link_of_current_view2">Link: </label>
<textarea id="link_of_current_view2" name="_of_current_view2" class="link_of_current_view" rows="2" disabled="disabled" wrap="soft" size="58" value="" readonly="readonly" value=/>
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Feb 21, 2009
HTML Code:<div class="drag q1 bar" style="top: 10px; left: 0px; position: absolute;">b</div>i assign variables like so:
Code:
var style = notationrow[i].childNodes[nodecount].getAttribute("style");
var nodeclass = notationrow[i].childNodes[nodecount].getAttribute("class");
[code]....
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Nov 8, 2009
Suppose I have the following inside a function:Code JavaScript:document.getElementById('display_content').innerHTML = "hello";The above works.However, when I define it like the following it says display_content is null on firefox error console.
Code JavaScript:
var display_content = document.getElementById('display_content');
[code]....
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Oct 14, 2010
I am trying to retrieve data from an XML using this code.
$.ajax({
type: "GET",
url: "http://beermapping.com/webservice/loccity/bb6c5a3fc5baea379be645636e8e6324/Barcelona",
[code]....
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Apr 19, 2011
The following code returns me a null value on internet explorer but works fine on firefox and opera.
var iW = $(document).width();
alert(iW);
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Jul 9, 2009
This seemed like it should be so simple. It works fine in Firefox, but not in IE. The goal is to disable the form's Submit button, until the question is answered. (The alert is for troubleshooting.)
Code:
Obviously, this HTML is in a form:
Code:
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Feb 10, 2010
When using the code below the alert returns a value of null. In the past this has never happened, it has always returned the xml file I'm requesting. I have noticed a strange difference between browsers. This script is used to fill a form automatically. In its current state it works perfectly in opera, but does not work in firefox or IE (used to work in all the browsers). I'm by no means a javascript expert, am I missing something here?
[Code]...
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Feb 12, 2010
I found this regular expression on the internet and it works fine when I test it in various validators on the web.
Code:
^(((0?[1-9]|1[012])/(0?[1-9]|1d|2[0-8])|(0?[13456789]|1[012])/(29|30)|(0?[13578]|1[02])/31)/(19|[2-9]d)d{2}|0?2/29/((19|[2-9]d)(0[48]|[2468][048]|[13579][26])|(([2468][048]|[3579][26])00)))$
It's purpose is to check for valid date and allows formats mm/dd/yyyy, m/dd/yyyy, mm/d/yyyy or m/d/yyyy.
When I try it with the code below it always returns null.
Code:
function isValidDate(/* String */ p1_date) {
var x = "^(((0?[1-9]|1[012])/(0?[1-9]|1d|2[0-8])|(0?[13456789]|1[012])/(29|30)|(0?[13578]|1[02])/31)/(19|[2-9]d)d{2}|0?2/29/((19|[2-9]d)(0[48]|[2468][048]|[13579][26])|(([2468][048]|[3579][26])00)))$";
[Code].....
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Feb 11, 2006
I'm using the $F of the prototype library to send data through the Ajax
Request. I'm having problems using the $F to reference fields sent
back through an original Request. My first request sends a form back
to the user in the type such as <input text name=foo> and at the bottom
of the returned form I have a second ajax call to send the fresh data
to the another script. The problem is that the new data in the form
cannot be referenced from $F. My question is how can I pass the new
data in the javascript to another Ajax call either by $F or by other
means?
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Sep 21, 2010
I have a following string:
var myHTML = "<html><body>testing hope this work in html</body></html>";
alert($(myHTML).children("body").html());
Why does the alert return NULL, instead of "testing hope this work in html" ???
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Feb 10, 2011
I'm trying to retrieve some data trough yahoo pipes, but it always returns null. However if i go to my yahoo pipe's site and i launch it, the pipe works perfectly.[code]
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Nov 25, 2010
I am using the templates below to add a row into a table using the 'ADD' button.
<script id="queryGeneratorRowTemplate" type="text/x-jquery-tmpl">
<tr>
<td>
<select> <%--name="ddContentSource" id="ddContentSource">--%>
[Code]....
but this returns '0.nodeType' is null or not an object on jquery.tmpl.js I am missing something or this is not supported in templates?
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Mar 30, 2007
Currently transitioning from a shared host to a dedicated server. The
same code that works on the old server is not working on the dedicated
server. It is a simple AJAX request like:
<code>
function createXMLHttpRequest() {
if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
}
function doRequestUsingPOST() {
createXMLHttpRequest();
var queryString = "response.php?";
queryString = queryString + createQueryString() ;
xmlHttp.onreadystatechange = handleStateChange;
xmlHttp.open("POST", queryString, true);
xmlHttp.send(null);
}
</code>
With the code as is above, the requests works fine in IE. With Firefox
it throws a 403 on the page. A call to the response.php page with
parameters runs correctly outside of AJAX. Changing all POST requests
to GET resolves the issue, but I would prefer not to have to change
ALL POST requests to GET requests.
Does anyone know of a setting on the new server that can cause FireFox
(1.5.x and 2.0.x) to return a 403 with an AJAX post call?
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Jun 24, 2011
I have two websites. One is my mediaWiki, and one is my production site.I would like to use the mediaWiki APIand $.post() to login to the wiki and retrieve pages from the Wiki.
$.ajax({
url: "http://wiki.mySite.com/api.php",
type: "POST",
[code]....
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Apr 20, 2011
$.post, it calls a php file which retrieves data from my database and should return a JSON datatype result. I checked on firebug, and it does successfully retrieve the data in JSON format. I however cannot get it to display on screen. I want to populate input fields with the result accordingly.
Here's a chunk of my javascript: (this function is being triggered by a dropdown)
function updateBillingAddFields(address_book_id) {
jQuery.post("ajax_checkout_confirmation.php", {
address_book_id: address_book_id,
action: 'get_shipping_add_details'
}, function(data){
var form_element = document.forms['address'];
form_element.elements['entry_name'].value = data.entry_name;
form_element.elements['entry_addr1'].value = data.entry_addr1;
form_element.elements['entry_addr2'].value = data.entry_addr2;
form_element.elements['entry_addr3'].value = data.entry_addr3;
form_element.elements['entry_addr4'].value = data.entry_addr4;
form_element.elements['entry_postcode'].value = data.entry_postcode;
form_element.elements['entry_state_name'].value = data.entry_state_name;
}, "json"); }
I tried putting alert inside my function, and it also doesn't show. I'm thinking it doesn't go inside the function at all.
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Feb 15, 2012
my $.post code returns a whole page i want to get only content inside a id from that . this is my code it alerts null.what's wrong with it..?
$(document).ready(function(){
var url_select_file = "index.php";
$.post(url_select_file, { component: "tinymce_details", action: "selecticondata" },
[code]....
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Mar 23, 2010
I'm validating a textarea for null value by following code
var message = document.chat_frm.msg.value;
if(message=="" || message==null){
alert("Say something or shout it out! Uhm ... no, type it in!");
//document.chat_frm.msg.focus();
return false;
}
It is working fine as if without entering any text I click on submit it returns alert message but when I enter a space in textarea and then click on submit it dnt give alert message simply submits the form
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Jul 23, 2005
I tried POSTing from XMLHttpRequest, i can get the XML right on server
but responseXML from server is coming null. I can see the XML right in
responseText. but responseXML is null. responseText to DOM conversion
also fails while the XML in responseText seems valid ..
-- here is the javascript code for sending ---
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May 1, 2007
Just trying to create a basic xmlhttpobject.
However, the following always returns null
xmlhttpobj = New ActiveXObject("Microsoft.XMLHTTP")
(it is Microsoft. and not Msxml2. I've already narrowed that part
down; just trying to create the object now)
If I check for the value of xmlhttpobj, it is always null or
undefined.
IE settings aren't blocking any ActiveX
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Jul 20, 2005
I've got this javascript routine (i found on google) in an
asp.net page that on page reload sets the cursor of a textbox to the
last line. It works great!
Using a similar concept, I have another application that uses a
textbox like an editor window and has a save and other buttons.
Problem is - when I save/post/reload, the textbox returns to cursor
the top again.
How can I preserve / save the exact cursor spot and return to the
exact same spot I was in before I saved. Code:
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Apr 2, 2010
Here's where I'm having an issue: [url]
It returns an error of "Error: ca is null" from this function:
Code:
The thing is that it will return a "null error" for whichever height I try to set first. I mean, if I swap the first two items:
Code:
It will return "Error: cb is null".
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Oct 8, 2009
Either I'm having a really dim Friday, or something strange is going on. I'm trying to add a method to the Validator plugin, using the following regex:
[Code]....
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Mar 31, 2010
I've created a page that uses 2 seperate functions for passing variables.The first runs when the page loads and requests categories from a database to fill a dropdown box.The second function sends a date value and the contents of the select from the dropdown box to search a database then outputs the results to the page.They both use getelementbyid to display their results. the category search uses <div id="txtindex"> and the date/dropdown search uses <div id="txtupdate">My problem is the results from the date/dropdown which should display in the 'txtupdate' div are displaying where the dropdown box used to be, so in the 'txtindex' div.
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Sep 18, 2010
I want to have a page that is a list of auction items, and for each list item, show a field with the current bid price - easy to do statically, but I want the current bid price field to by dynamically updated by javascript every few seconds from a php database query.I have had no trouble building this page, but what happens is that the javascript will do the php query only once and fill the current bid price field continually with the same value, even if it has been changed in the database.I have the javascript function repeating every second, so that is not the issue.My php script works nicely, so that is not the issue.Just to re-iterate, there is no problem passing a value to javascript from a php sql query, it is in trying to get javascript to refresh the value it gets from the php sql query everytime that it runs.I have been working on this for over a year, and have done loads and loads of research, but to no avail.
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Apr 11, 2011
I am wondering if I can get the value of a drop down box that was created using ajax.I have a div tag holding the spot on item.php and when the user make a selection it calls my getitem.php which returns a drop down with the populated items.
<option value="0"></option>
<?
while($row = mysql_fetch_array($result))[code].....
So I have no tag handler since they were all created back on the getitem.php page. What is the best way to do this? I would love the have the drop down tags on item.php but how do I dynamically populate the list then?
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Jun 18, 2009
I have a date selector that populates an input box. My input box looks like:
Code:
<input type="text" name="date_input" id="date_input" onchange="this.form.submit()">
<script language="JavaScript">
new tcal ({
'formname': 'make_graph',
'controlname': 'date_input'
});
Now, when the input box is populated, the onsubmit doesnt trigger. I have tried adding the following to the end of the javascript file for the date selection, but it has no effect:
[Code]...
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