Returning Text From ResponseText XMLHttpRequest Function?

Apr 23, 2010

I am wondering how can I return the variable senttext from the function below?I have declared it and when I alert(senttext) below it appears as I want it but I need to return it and pass it to another function. When I change alert() to return the variable becomes undefined?

var senttext;
function getData()
{
if (window.XMLHttpRequest) {

[code]...

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? In XMLHttpRequest.ResponseText

Feb 25, 2006

I'm fetching some HTML files with XMLHttpRequest and dumping the
ResponseText into block elements; works fine except that single and double
quotes are being displayed as question marks (inside of a black diamond in
FireFox)

What's going on ? What is the workaround ? I've tried this:

divElement.innerHTML = x.responseText.replace(/?/g, "'")

but it does nothing ... even if it did work it would not be distinguishing "
from '

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XMLHttpRequest ResponseText Problem

Oct 12, 2005

Using the following code:

var plabhttp = createRequestObject();
function getPowerLab(){
if(plabhttp.readyState == 4){
var plabresponse = plabhttp.responseText;
document.downloadForm.powerlab.value = plabresponse;
}
}
Problem is that in firefox the variable plabresponse displays nothing. However in IE it comes out ok.

Has anyone seen this before?

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Returning Array From Ajax.responseText?

Nov 28, 2007

if it's possible to return an array from my php generated content to ajax's responseText. I tried echoing back the whole array variable but can't seem to fully receive it in javascript.

somewhere in file1.php

<?php
$myArray = array();
$myArray['name'] = "ajax tech";
$myArray['age'] = 20;

[Code]....

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Mar 20, 2009

I am trying to read data from server using AJAX XMLHttpRequest.responseText.In received data, there are lot of similar type of characters which has tge value of FFFFFD (65533). I think, all characters which has the value above 127 are converted to default character.

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JQuery :: GetJSON Returning Undefined Instead Of XMLHttpRequest?

Sep 19, 2009

I am using getJSON to get results from a different domain and i wantedto get _some_ object back when calling getJSON so that i can insertsome variables into the callback scope.Basically, what i wanted to do was this:

var new_json = $.getJSON(url, function(data) {
alert
(this.variable_from_caller);

[code]....

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XMLHTTPRequest + Opera + "If-Modified-Since" Returning 0 Status

Aug 12, 2010

in my javascript code I'm using a synchronous XMLHTTPRequest to periodically fetch a file from a server. Recently I added the "If-Modified-Since" header request (to reduce downloads if nothing is modified). Since adding the "If-Modified-Since" header request the javascript code still works with all browser (IE, FF, GC, AS) besides Opera.

The issue only happens if there is no new file to be downloaded: with the other browser I can see the 304 request status code, while with Opera (opening dragonfly) the request remains indefinitely as "in progress", the request status code returned being 0.

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Get Html Text In ResponseText

Jan 11, 2010

I want to get the html text i.e <table> .......<tr><td>.......</table> which i write in a php that i used as a url in the open method.

As i am using php file so when i use echo "hello"; it works fine and i get text and displayed in my target div.

But i have much html code in this php file i.e <table> .......<tr><td>.......</table> , why not this code displays in the target div.

I am using responseText method. how can i display html text (that i included in the php file) in the target div.

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Using XmlHTTP.responseText In Any Other Java Function

Jun 9, 2009

is it possible to use the xmlHTTP.responseText in any other java function, after execuation of stateChanged() function??? example in ajax...

[Code]....

i used many ways (a little bit i know) to do but could not get the success. how can we do???

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Prototype PeriodicalUpdater Getting Function From ResponseText

Jun 2, 2009

I have a periodicalUpdater that returns countdown time that is created with php but I now need to call out one function when the time is right. the script PeriodicalUpdater calls

[Code]...

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Ajax :: Return Xmlhttp.responseText From Function?

Jun 9, 2011

I've been racking my brain for a couple hours now and doing a lot of searching and I cannot seem to find an answer. I want to know if it is possible to return the xmlhttp.responseText value from an AJAX function to the function that originally called the AJAX function.

Code:
//Set handler for server response.
xmlhttp.onreadystatechange = function()
{

[Code]....

I want to return the my_response variable to the original caller. No matter what I try I have been unsuccessful. I even tried assigning it to the global window variable using window.my_response = xmlhttp.responseText but it ends up being undefined.

Every example I've seen of using AJAX pretty much does something inside of the if (xmlhttp.status == 200) part to update the web page. I really do not want to do that.

Can I return the value?

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Function Calling Function Returning False

Jun 7, 2010

I am trying to write a function that is being invoked when some one clicks the submit button on the form.<form name="sectionA" action="optionpage.cfm" onSubmit="return abc()">I have three tables with initials textboxes. I want to check if they are empty and return false(stay on the same page), else go to action page.Here is what I am doing, I Created three functions tableA(), tableB(),tableC() call them from function abc(). These functions tableA(), tableB(), tableC() return false if one of the field is empty and stop furthur processing and remain in the same page. If none(errors), then go the other page.i.e if table B has empty fields, page should stop furthur processing and remain in the same page.Here is how I am doing it Can somebody please point out what I am doing wrong here.Even when there is empty field, the code moves me to the actionPage.

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Mar 27, 2009

The following code is supposed to return a variable containing text, currently the code posts the data but returns an "undefined" variable. Can someone tell me what's wrong? code...

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Mar 27, 2009

I would like to document.write the status value using the return function but I can't get it to work.

The output should be Markers On or Markers Off.

<html>
<head>
<script type="text/javascript">

[Code].....

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Sep 1, 2010

I heard there is something called XMLHttpRequest that is compatible to all browsers. What does that actually do? Is there something to do with Javascript?

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Feb 18, 2009

Why is my function returning the wrong value??

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Why Is Function Returning False?

Aug 13, 2011

So for whatever reason the convertToArray function in the following code returns false if the argument is more than 1 character long. If it's 1 character long it just returns the character as an array with only one value.What I'm trying to do is take a string of numbers, plus signs, and minus signs and convert it to an array.

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XMLHTTPRequest Stops At Function Open?

Aug 12, 2009

XMLHTTPRequest stops at function open?

<html>
<head>
<title>Ajax demo</title>
</head>

[Code]....

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Ajax :: XMLHttpRequest() Function Not Work With IE 8

May 4, 2011

XMLHttpRequest() function not work with IE 8. But its woking properly with other browsers.

[Code]...

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Nov 3, 2005

I have a little problem in one of my functions, I would like to pass in a form field name and set the value to something that is passed in. here is my code:

function pickitem(id,type){
opener.document.getElementById("form").type.value = id;
window.close()
}

so i'm passing in an id and a formfield e.g. txtName The problem is with the type.value - i haven't touched javascript for ages so i'm really rusty!!

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Ajax :: Returning A Value Directly From A Function?

Dec 1, 2009

I'm attempting to simplify my javascript code when it comes to ajax, but afterwords it only prints 'undefined' to the screen rather than what I want it to print.

I want to be able to put something like this on my main page onclick="document.getElementById('output').innerHTML = print_output();" where print_output() is the ajax function. This way I don't have to use a function to assign values directly to innerHTML and I don't have to muck about with a js file whenever I want to change my page layout.

To do this, I created a recursive function:

function print_output(return_value) {

if a value has been passed to the function, simply return it
if(return_value || return_value == 0) {
return return_value;
}

[Code].....

but like I said, it prints 'undefined' out to the screen. Why isn't this printing the contents that it receives from 'index.php' like it's supposed to?

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Returning Variable From Within Nested Function

Mar 9, 2009

The code is below but basically I have two global variables, then I have a function and then a function within that, I am simply trying to update these global variables from within the nested function so i can then go on and use them in another function! this sounds like quite a straight forward request to me, but maybe it can not be done? When I do an alert on the variables (after I have apparently updated their values) I get 'undefined'!

Code JavaScript:
var resultLatB;
var resultLngB;
function getLatLngFromTown(town, callbackFunction) {
var localSearchB = new GlocalSearch();
localSearchB.setSearchCompleteCallback(null,
function() {
if (localSearchB.results[0]){
resultLatB = localSearchB.results[0].lat;
resultLngB = localSearchB.results[0].lng;
pointA = resultLatB;
pointB = resultLngB;

//THIS WORKS
alert("Test 1 = " + resultLatB);
alert("Test 1 = " + resultLngB);
}});
localSearchB.execute(town + ", UK");
//DOESN'T WORK... SHOULD IT?
alert("Test 2 = " + resultLatB);
alert("Test 2 = " + resultLngB);
}
getLatLngFromTown("oxfordshire",null);

//I WANT THIS TO WORK!
alert("Test 3 = " + resultLatB);
alert("Test 3 = " + resultLngB);

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GetElement Function Returning Undefined Value

Sep 26, 2009

Here is a clip of code from a script project im working on. Now my document.getElementsByTagName is returning a "undefined" value.

<a href="[URL]" style="text-decoration: none; color: #EDDBAF; font-size: 16px;">
<center style="margin-left: 10px; margin-right: 10px;">
<font style="color: #EDDBAF; font-size: 16px;" id="title"></font>
</center></a>
<li id="name"><a http="[URL]" style="color: blue;">John Doe</a></li>
<script type="text/javascript">
var pname = document.getElementById('name').getElementsByTagName('a');

Now if I remove the ".getElementsByTagName('a')" it will actually work, but it also includes the <a> tag thats within the <li> tag, which I don't want.
document.getElementById('title').innerHTML=pname.innerHTML;
</script>

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Returning ResponseXML, Set Within An Anonymous Function, Only Once ReadyState = 4

Dec 4, 2006

I have several functions with code along the lines of:

var xmlDoc = requestXML("ajax.asp?SP=SelectRelatedTags&tag=" +
array[i]);

The requestXML() function includes the code:

var xmlDoc = null;
http_request.onreadystatechange = function() {
if (http_request.readyState == 4) {
if (http_request.status == 200) {
xmlDoc = http_request.responseXML;
} else {
alert('There was a problem with the request.' +
http_request.status);
}}};
http_request.open('GET', url, true);
http_request.send(null);
return xmlDoc;

However, the last line (the return) executes before the readyState
reaches 4. How do I return the xmlDoc to the functions only once the
xmlDoc has been assigned? I tried putting the return statement in a
while loop with the condition that the readyState must = 4 - this
worked, but makes the browser popup a message saying the script is
slowing down the system.

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JQuery :: Returning A Value From A Success Callback Function?

Jun 3, 2010

I know this is a simple question with a simple answer, but I can't seem to wrap my brain around it.Sorry for the infantile nature of this post. Anyhow, I am making an AJAX call via JQuery and need the function to return a value from a calling function, like so:

[Code]...

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JQuery :: Width Function Returning Zero On Occasion?

May 26, 2010

I have a weird bug that's occuring in pretty much all the browsers. If I close the tab, and then hit Ctrl -> Shift -> T to bring it back the width() method returns 0 on an appended image instead of what the image actually is. Hitting refresh on the tab removes this bug and everything works fine. I will also say that trying
.css('width') and
document.getElementById('divShadowLeft');
Both also return 0 for this bug.

I can't show all the code for security reasons, but I'll just outright ask.. what are the reasons that width() would return 0 on an image? I've checked to make sure that it was visible (both display and visibility properties), and I checked the length of the property to ensure it was there. I just can't figure out why width() is returning 0.

Here's a code snippet:
$(this).append('<img src="'+defaults["imagePath"]+defaults["imageLeft"]+'" alt="" id="'+defaults["imageClass"]+'Left" class="'+defaults["imageClass"]+'" style="" />');
alert('Length: '+$('#divShadowLeft').length+' | Width: '+$('#divShadowLeft').width()+' | Visible: '+$('#divShadowLeft').css('visibility'));

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