how to parse jquery ajax xhtml response? - parsing

Sorry if this has been posted many times. But I've tried many variations and it still doesn't work. The HTML comes back from the jquery AJAX call fine and I am trying to remove the header and footers from the response using:
// none of these work for me
$("#content", data);
$("#content", $(data));
$(data).find("#content").html()
I've breakpoint the response to verify the #content exists by inspected $(data) and using alert to print out the data's text. I've also try using "body" or "a" as selectors, but it always come back as undefined.
I've read in this post that you can't pull in the full XHTML document: jquery ajax parse response text. But I can't find the answer's quote anymore, maybe it's outdated?
Has anyone ran into this problem?
Many thanks,
Steve

this works for me:
$(data).filter("#content");

You need a div to attach your data to. Like $("#response").replaceWith($(data).find('#content'));
That should work

It works when there is a <div> tag in the received document.
E.g. <body><div> your content </div></body>.
See a very simple proof of concept.

The data you receive from your AJAX call is not a part of your DOM tree, so you can not use JQuery function calls to manipulate it. You can use text manipulation functions, you can use JSON, or you may also attach your response to your DOM.

Are you using the get-method? Alternatively you could use the jQuery load method where you can provide a page fragment to load.
For example to load a content div from a wellformed html document you could use
$("#div-to-load-to").load("html-doc-to-load-from.html #content", function() {
//do something
});

You MUST guarantee that your HTML dom was well formatted.
Try the simplest HTML
<html>
<head>
<title>title here</title>
</head>
<body>
<div>
<div>hello</div>
<span id="s">span content</span>
</div>
</body>

Related

Google SDTT appending "#__sid=md3" to URL for mainEntityOfPage

Why is this happening?
HTML shows:
<meta content='http://www.costumingdiary.com/2015/05/freddie-mercury-robe-francaise.html' itemprop='mainEntityOfPage' itemscope='itemscope'/>
Structured Data Testing Tool output shows:
http://www.costumingdiary.com/2015/05/freddie-mercury-robe-francaise.html#__sid=md3
Update: It looks like it has to do with my breadcrumb list. But still, why is it happening, and is it wrong?
If the URL you want to provide is unique you can use the itemid property.
I was confronted with mainEntityOfPage by the tool after the latest update. And using Google's example I used the following code
<meta itemscope itemprop="mainEntityOfPage" itemType="https://schema.org/WebPage" itemid="https://blog.hompus.nl/2015/12/04/json-on-a-diet-how-to-shrink-your-dtos-part-2-skip-empty-collections/" />
And this show up correctly in the Structured Data Testing Tool results for my blog
I don’t know where the fragment #__sid=md3 is coming from, but as the SDTT had some quirks with BreadcrumbList in the past, it might also be a side effect of this.
But note that if you want to provide a URL as value for the mainEntityOfPage property, you must use a link element instead of a meta element:
<link itemprop="mainEntityOfPage" href="http://www.costumingdiary.com/2015/05/freddie-mercury-robe-francaise.html" />
(See examples for Microdata markup that creates an item value, instead of a URL value, for mainEntityOfPage.)

Is it possible to get the html produced by a script

I have a URL from a third party site which should be the source of a script tag, something like this:
<script src="<%= #url %>"></script>
The above code shows a webform.
I would like to get the html code resulted by that code and store into a variable, something like this :
html_code = get_html('<script src="<%= #url %>"></script>')
Is that possible using Ruby/Rails (maybe using nokogiri) ?
If you're using jQuery in the browser and that code shows up in a well defined location, for example a <div> with a specific id then you can just grab it using your browser's JavaScript console:
$('#the_id').html()
That will show the raw HTML of that element presuming it dumps its content in an element with the ID the_id. You can use whatever CSS selector works.
Where that HTML goes in your document is impossible to tell from your example. A <script> can add any elements it wants anywhere in your document. You'll have to look around to see where it goes.
Load the page into a browser and then do View/Source in the browser. This will let you view the generated web page and you can find what URL was put into the <script> tag.

jQuery Mobile Losing Style After Updating DOM

A question similar to this has been posted several time, but I cannot find a solution that works. Hopefully, someone can help!
I am using jQuery Mobile 1.1 and jQuery 1.7.2, so I'm on the most recent stable releases. I want to create a dynamic page header. Using this HTML code, it works fine:
<div data-role="page" id="levela">
<div data-role="header" id="hdr_levela">
<h1>Title</h1>
</div>
</div>
So I then go to dynamically create the title. I change the HTML to this:
<div data-role="page" id="levela">
<div data-role="header" id="hdr_levela">
</div>
</div>
And added the following jQuery code:
// Set the header
var dirHeader = $('#hdr_levela');
dirHeader.append('<h1>' + title+ '</h1>');
The title appears, but is not styled. I have found several posts about this. In the jQuery Mobile Documentation, it says:
"However, if you generate new markup client-side or load in content via Ajax and inject it into a page, you can trigger the create event to handle the auto-initialization for all the plugins contained within the new markup. This can be triggered on any element (even the page div itself), saving you the task of manually initializing each plugin (listview button, select, etc.).
For example, if a block of HTML markup (say a login form) was loaded in through Ajax, trigger the create event to automatically transform all the widgets it contains (inputs and buttons in this case) into the enhanced versions. The code for this scenario would be:
$( ...new markup that contains widgets... ).appendTo( ".ui-page" ).trigger( "create" );
So I tried several things. After the above code, I added the following:
dirHeader.trigger("create");
This had no effect. So I tried to put it on the actual append itself:
dirHeader.append('<h1>' + folderName + '</h1>').trigger("create");
This had no effect. I then tried the process on the parent element (in this case, the id of the parent div is "levela"). So I tried this:
$('#levela').trigger("create");
This also had no effect. At this point, I am completely lost. Every solution involves doing one of the things I have tried and is just not working. I must be missing something incredibly basic but I just can't seem to find it.
Thanks in advance for your help!
You can update the content by calling .page:
See this working Fiddle Example!
// Set the header
var title = 'super hyper BuBu',
$dirHeader = $('#hdr_levela');
$dirHeader.append('<h1>' + title+ '</h1>').page();
I just solved a similar problem -- it appears that jQM headers and footers do not have the "create" method, so as far as I can tell, the css classes and roles need to be added manually.
For reference, I posted an example fix on this (old) question: JQuery Mobile trigger('create') command not working

html simple anchor link doesn't work in opera

At first If something similiar to this already has been asked, I am sorry, but that is my first question here and i didn't find anything that could had helped.
Since i dont know if it's important, my doctype is:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org /TR/xhtml1/DTD/xhtml1-transitional.dtd">
<div id="container"> /* container i which everything is nested */
<div id="header">
</div>
<div id="Navigation">
<a onmouseover="Bildwechsel('Galerie','HGalerie.png');"onmouseout="Bildwechsel('Galerie','Galerie.png');" href="Galerie.htm"><img alt="Navigation" src="Galerie.png" name="Galerie" /></a> //one of the links which is causing trouble
</div>
<div id="content"></div>
</div>
and that is the mouseover function (hope you don't mind the names, i'm German):
function Bildwechsel(Bild, BildSource) {
document.images[Bild].src = BildSource; /* function i use to change pictures on mouseover */
}
In my header, i have also included two versions of jQuery (that is because a plugin needs an older version to work properly) and lightbox v2. I have implemented them with var something=jQuery.noConflict();, also inserting true in one of these declarations because otherwise it wouldn't work but since everything works fine, I think there shouldn't be a problem.
My problem know is that when i click the link with href="Galerie.htm" every browser I mentioned at the beginning excluding opera (I am using version 11.62) is navigating to Galerie.htm. But in Opera it's like the Browser's only refreshing the site, so he always stays on the same page no matter what link i click. Maybe good to know: When i right-click on the link and open it in a new tab, everything works fine.
And the second question is: Although i know what doctypes are good for, how do i know which one is best to use in my case? i already did check my html markup, getting about 50 results(?) with errors like :link rel="stylesheet" type="text/css" src="something.css" > missing slash between [...] .css" and >, but when i look it up in selfhtml it's written that way. I know that i depends on the doctype if the slash is needed or not ,but do i have to look every single slash up or is it not that important? If yes how can i achieve a valid html with 0 errors?
Since I always thought a (anchor?) links are the last thing i will have problems with I have really no clue whats going on here.
Any help would be appreciated ;)
without firing up Opera and playing with all this myself.. first, in that link you need a space between your onmouseover and onmouseout attributes.
e.g.
<a onmouseover="Bildwechsel('Galerie','HGalerie.png'); "onmouseout="Bildwechsel('Galerie','Galerie.png');" href="Galerie.htm"><img alt="Navigation" src="Galerie.png" name="Galerie" /></a> <!-- btw, "//" starts a javascript comment, but not so in HTML. //one of the links which is causing trouble -->
Does that help?

How to make getJSON to update correctly an element after page loaded in jQuery Mobile?

I'm trying to get a getJSON result to update an HTML element on page load, within a jquery mobile loaded website.
Now, I've read I should not rely on ready(), but bind to pageInit. So I tried, but it just won't work. I've tried many other events that could be logical to try within the API event documentation, without any success.
The closest I come to success is after the page is loaded, via ajax, if I refresh the page manually (with the browser's refresh button), getJSON does update the corresponding HTML element. And you guess, it's not what I want to achieve. Here is what the code looks like now, and where it is placed...
<div data-role="page">
<script>
$( '#pageContainer' ).live( 'pageinit',function(event){
//an alert() here does fire right before the page is shown in the browser
//here is the getJSON code.
});
</script>
Now, I need help to try to figure how to make it work. I only want an element X in the page to update with the text returned from a jSON when the page appears in the browser! Like a normal ready() function would have done !
(Maybe it is relevant to specify I'm running RC2 ?)
If you can't use JSONP here, have you tried setting a setTimeout()? You have to trigger a callback after the json object is loaded so timing is essential.

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