JQuery :: Replacing Input Elements Using Ajax?
Jul 29, 2011
Given input form elements on the display during page load, what is the proper way to replace the input elements when an Ajax call replaces the html? Here is a simple list of radio buttons:
[Code]...
I highlighted line 19 as that was the line I needed to add in order for the "shop" object to get the new input elements. Otherwise it was accumulating them. Can anybody explain the details of what was happening here and also confirm that the resolution is ? Is there a better way?
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Jun 24, 2011
$("#next-artist").click(function() {
$.get("img/home1.png",function(html){
$("img#artist-photo").replaceWith(html);
}
});
So this code isn't working.
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Aug 3, 2010
I have a problem with html select. i will be selecting an element from the select drop down, then i will click a button which will result in changing the position of this element with the element just above it. Is it possible, I am getting the element id, I thought of using replaceWith method, but its giving some error.
"uncaught exception: Syntax error, unrecognized expression: # ".
I also wanted to know if this thing is possible in jquery or not..
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Aug 22, 2011
I am customizing my WordPress adminpanel, and ive run into a problem. I want to use jQuery to replace a value of an input, and I've got that part working. The thing is that it gets added again (via ajax or jquery, I don't know. its some kind of in-page reloader) and my script fails to replace the value the second time..
jQuery(document).ready(function($) {
$('input#custom-menu-item-url').attr('value', ' ');
});
That's the code I have right now. For those of you who can check a WordPress installation, its the nav-menus.php in the admin panel, custom links. So how do I get this to replace the value even if it the value gets added after page load?
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Jun 24, 2009
I am trying to use "replace" to remove dollar signs and commas from input values by looping through the elements. I'm pretty sure I have to use an array in an array to do so but can't figure it out. Here's what I have:
Code:
function removeStuff(){
for(j=0; j<document.form1.elements.length; j++) {
remove = new Array("$", ",");
for(i=0; i<remove.length; i++) {
newValue = document.form1.elements[j].value.replace(remove[i],"");
}}
alert(newValue);
}
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Feb 8, 2005
i'm trying to figure out how to access my input text with a variable:
Code working:
function 123(param){
var x = document.form1;
total = 0;
if(x.txSecurApp.checked){
total = parseFloat(x.tAdulteA3.value) + txSecur;
}
else{
total = parseFloat(x.tAdulteA3.value);
}}
Trying to :
function 123(param){
// param is tAdulteA
var str = param + Ɖ'
var x = document.form1;
total = 0;
if(x.txSecurApp.checked){
total = parseFloat(x.str.value) + txSecur;
}
else{
total = parseFloat(x.str.value);
}}
the var str is the problem, can i access my input this way.
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Oct 28, 2009
I've written a re-usable function to erase and replace a form input value, but when I try and restore the value and colour it will return "undefined" instead of what should be there
Code:
function erase_replace_value() {
// get all of the input tags
[code]....
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Sep 24, 2006
We have the following situation - when Ajax request is sent what's
being returned by the server is usually an XML (which is used for DOM
updates) but sometimes it's HTML which is a whole new page that should
replace an existing one. I.e when we issue an Ajax request we don't
know what will be returned and analyze the response to act accordingly.
Now, the way to replace the current document with a new one used to be
easy and portable for both browsers (we're only supporting IE6 and
Firefox 1.5):
document.open();
document.write( head );
document.write( body );
document.close();
where "head" and "body" are two parts of the result HTML. We had to cut
it to two (rather than going simply with document.write( NewHTML ))
because of IE - our head section contains references to external
JavaScript files (<script type="text/javascript"
src="sth.js"></script>) and IE only loads them when document.write()
call ends. So if body contains any script block (<script
type="text/javascript".. </script>) using any of JS referenced by
head - IE would fail with something like "Resource undefined" if we
push the whole new HTMl in one go by using document.write( NewHTML ).
But it worked perfectly fine in Firefox, meaning
document.open();
document.write( NewHTML );
document.close();
did the job just fine. What's even more important - it also evaluated
all JavaScripts correctly - both in external files referenced by the
head and in the JS blocks embedded in the body.
Until Firefox 1.5.0.6/7 where things stopped working completely - our
lovely and used-to-be portable code
document.open();
document.write( head );
document.write( body );
document.close();
caused Firefox to loose all CSS/JS and display an HTML only page (as if
CSS/JS were disabled). Removing document.close(); improved the
situation a bit by displaying the page with CSS this time but still -
*no* JavaScript was evaluated (meaning, JavaScript blocks embedded in
the document's body were not evaluated).
I took a different path from this point by pushing the new content to
document's head and body "innerHTML". It worked but not for JS
evaluation - I had to do that manually. To evaluate the JS referenced
in the head section of the document - I've traversed the head's DOM
tree while looking for the "script" nodes, then downloaded all of them
one by one using a synchronous Ajax calls (don't laugh!) and eval()-ed
the response. To evaluate JS blocks embedded in the body of the
document - I've traversed the body's DOM tree while looking for the
"script" nodes and eval()-ed them.
The problem is following: eval()-ing external JS files after
downloading them with Ajax doesn't work in 100% of cases - some
statements using Prototype functions fail to execute ("prototype.js" is
one of external JS files referenced in the head). Anyway, I'm almost
sure that what I'm doing is plain wrong, i.e it's sounds silly to
download all JS files referenced in the head and eval() them !
So how do I fix it ? Simply put - how do I replce the content of the
document to the completely new one received as a response to
asynchronous Ajax call ? The new content conatins doctype, head, body -
it's a completely new page. And all JS referenced in the head and
embedded in the body should be evaluated as well.
I really wish
document.open();
document.write( head );
document.write( body );
document.close();
was working in Firefox as before. Is it simply a Firefox bug, should I
submit it ? Btw, document.open.write.write.close() works just fine in IE6.
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Aug 7, 2010
I've been searching the web for a while now, and I haven't come across a conclusive solution for memory leaks due to replacing nodes with frequent AJAX updates. I wrote a class that pulls an RSS feed frequently (e.g. every 5 seconds) and updates an HTML element with new information. In the process, it removes the old nodes and replaces them with new ones. It works fine visually. The only problem is that it has terrible memory leak complications; when I put the script on to run, it increases the memory usage by about 1MB every few seconds at an accelerated 1000-ms delay between updates!
(That's 100MB every few minutes!) I discovered this when I let the script run for a few hours straight, not thinking anything of it, and when I returned to my computer, it was frozen up Opera seems to be the worst at its memory management on this script, Safari and Chrome are in the middle, and Firefox seems to handle it the best, but nonetheless there are memory leaks in all four. (I haven't tested IE yet, but based on what I read, I would expect that it might even be worse than Opera!)
[Code]....
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Aug 26, 2010
I am writing a ASP.NET UserControl and I am trying to incorporate JQuery into this. The control is a simple form with a few input fields (text, checkbox, select, radio). The first element in the form is a checkbox. Upon clicking this checkbox I want the all the input elements in the form (except the checkbox control itself) to be enable/disable. I tried writing some of this code but my solution was not getting me anywhere. Below is the ASP.NET form code.
<
asp:Panel ID="pnlInputControls" runat="server"> <table style="width:100%;">
<tr>
[code]....
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Oct 30, 2011
I want to select all inputs that have the same exact values.I want to be able to grab those elements names.
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Sep 15, 2009
I tried
[Code]...
it only alert "XXX" nothing else !!! any idea about this. My journey till now is difficult in jquery
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Apr 1, 2010
I´m trying to select all input button elements with class="button" in a page in order to change their css class. Looking through some examples I managed to come up with the code below, which works perfectly in Firefox 3.6, but for some reason seem to not work on IE7.
$('input.button[disabled=disabled]').attr('class', 'buttonDes'); how i´t could be achieved?
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Aug 25, 2009
I must have missed a bit of information, because I cannot get the jquery.corner plugin to work with <input> html elements. The following renders a rounded div but not a rounded input element in FF3, IE7, IE8, and in fact causes the input box border to disappear completely.
<html>
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Jul 12, 2009
I have a table of input elements which i create through a javascript widget. When i press submit i want to make an action and a part of the output should be the same unchanged tables with the values in it. I don't know how to accomplish it. At first i used the html() function, but it does not pass the table with the html values inserted as i would like.
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Oct 29, 2010
I've got a form in which the fields are being dynamically generated based upon a db query.. it looks something like this:
Code:
<form name="bft">
<input name="colA_1"> <input name="colB_1" onBlur="loadXMLDoc(this.value,'colC_1');"><input name="colC_1">
[code]...
I'm trying to use AJaX to populate the third input in the same row as the second input based upon a separate db query. Here's the code for that:
Code:
<script type="text/javascript">
function loadXMLDoc(v,n) {
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
[code]...
Here's where it displays on the page<cfoutput>#trim(getITRRSP.[columnName])#</cfoutput>
Whenever the focus blurs from those inputs, the third column in that row is populated with "UNKNOWN" as the value. I have confirmed that the getITRRSP.cfm file is properly retrieving and displaying the data from the db query.
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Jun 16, 2011
I want to clone a DIV that conteins a set of input fields and I want to assign to the new cloned DIV and Elements progressive ID . . .This is what I want to do :
<Div id="Meal00">
<input type="text" id="Field00" value="">
</Div>
[code]....
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Jul 26, 2010
What I have is this html:
<div class="persons">
<table>
<tr>
<td>Name: </td>
[Code]....
Now what do I write in this iteration loop to first get the text from the FIRST name and age box, in the first <table> (so I can work with tem). And in the next iteration loop get the SECOND <table>´s input fields text values?
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May 6, 2009
I have a table that i load into the document via ajax. the table shows a list of times. every row has a button that when clicked should call another AJAX function. However when clicking the link nothing happens. If I put a link in the original document myself and ask it to do this, it works fine, but becuse this is generated code, this option will not do.
THis calls for the table.... works fine...
$(function () {
$("#departmentToSchedule").change(function () {
$.ajax({
url: "schedjewelAjax.php",
[Code]....
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Oct 24, 2010
I'm trying to read an html file using the ajax() method, and then place content from that in certain places (e.g. 'info' in my 'InfoBox' section, 'details' in my 'DetailBox section). I'm very new to jQuery, and am pretty sure I'm screwing up the selector - it's the 'data' object used in the success callback (is that the right word?)
[Code]...
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Oct 7, 2010
I define a "click" event on "a" tags in the ready part of a page. It fires just fine when I click on any "a" tag on the page. I then have a button which sets the content of a div using ajax. This content contains a couple of "a" tags. The issue now is that the "click" event does NOT fire when clicking on these tags. I suspect it is because they did not exist when the page was initially rendered. What is the "JQuery way" of dealing with an issue like this? Of course I cannot be the only one in the world who needs to return HTML with events from my ajax calls :-)
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Sep 17, 2010
Here's some pseudo-code for reference:
$(document).ready(
function() {
... // #1 some code that fetches xml and generates a dom structure... <ol id='bla'><li></li></ol> then .appendTo('#foo');
... // #2 some code that generates another dom structure to be inserted into $('#bla').
}
)
The snippet #1 fetches xml and generates a dom to be appended to $('#foo'). But snippet #2 refuses to work with the id's created by the steps in #1. My guess is it is because #2 ran before #1 finished.
How do I make it so that #2 can reference the id's created by #1? Do I make #1 syncrhonous? Is there a way to make #2 run only after #1 is done? Do I just include onclick to the elements created by #1 -- I was hoping to avoid this because it appears the jQuery collective frowns on this.
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Jan 28, 2011
I made this function to duplicate form elements with a little html-code surrounding the input fields. First i clone the html of the first child found (always gets rendered by php). Then, everytime the add-button is pushed, i append a cloned piece of that stored html. It's working fine except for the delete button.
It's seems that whenever a cloned html is removed, the other cloned elements aren't recognized anymore by the delete buttons (although the delete buttons are in them)
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Mar 1, 2010
I am having problems with slideUp/slideDown effects on elements that I add to page with a AJAX callback. slideUp/Down works on elements that are present on the page load, but doesn't work on all elements added later with AJAX.
These items can be added with ajax... Then I have checkboxes that I can filter some items by using jQuery slideUp/Down. If checkbox is clicked some items are hidden or shown. But as said abowe it doesn't affect the newly added items!
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May 19, 2011
I have an ajax function which works fine.
On the call back i append a div with an ID of full_detail.
The HTML generated via ajax include images. I would need to know to call a function once all images are fully downloaded, something similar to [code]...
Of course using the above example does not work as the window is already loaded and its content is changed.
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Oct 20, 2010
i retrive data from web service using .ajax() and appand that data in nested <ul><li>..ajax() is run under $(document).ready() .. After appending the data (received from ajax) to <ul><li> I want to perform some .click() on these appended elements .. but i can't seem to get it working. Is this a bug or the .click() function should be placed somewhere else.
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