Ajax :: Converting JSON To HTML / PHP
Apr 3, 2009
I am new to Ajax and have a bit of a gap in my understanding. I have a status monitor that sets a JS function to run every second with setInterval. When the document loads, I will need to get data from the server asynchronously (I wont know the info before hand) and use that data to set id values to find them as nodes and change them later on.
The problem is as I see it, that the callback function I will use to grab the initial data is coming back via a JSON object. The callback function is done with javascript. So, how can I take the JSON data, or converted to javascript data and set my ID values when the document loads? If I change the values dynamically with the DOM, will those values be reliable enough to use as my other recurring functions find them and set their innerHTML properties?
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Jul 21, 2009
how i can use it to convert an html table into a json format.
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Sep 11, 2010
I have a html file that I want to load, loop through the json data and for each json entry I want to add a new block of the html and insert the json data into the matching div/class of the html. json looks like this:
{"Super" : [{"Name" : "John Doe", "Age" : "30"}, {"Name" : "Jane Doe", "Age" : "40"}]};
html looks like this:
<div class="Name"></div><div class="Age"></div>
So for each json entry of name/age, I want to insert that into the html, and then add another row, until all json data has been fetched. After this I want to insert all of this into #box, which is just a divthat should contain that html. Looping like this obviously does not work, since I just keep replacing the same html through the loop.
var jsonData = {"Super" : [{"Name" : "John Doe", "Age" : "30"}, {"Name" : "Jane Doe", "Age" : "40"}]};
$.each(json.Super, function() {
$('#box .Name').html(this.Name);
$('#box .Age).html(this.Age);
});
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May 21, 2011
I am doing a project now i going to use ajax to retrieve coordinate from the json in html and pin the coordinate onto a point on the map using javascript but the problem is i am only able to use one point on the map can tell me what to add in ? or how should i change it with? it will be nice if u can change the code from the below and show me how
Quote:
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Sep 6, 2009
What is the best way to server AJAX data and why? JSON, HTML, or XML? Which is best?
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Jul 3, 2011
So I can't for the life of me understand JSON. I've looked through numerous links but nothing. If I have a Database and all I want to pull is:
How do I print that out to an HTML document using JSON. I don't get it. I think it puts it in an array but how does it get there? Do I just print it out like I would a normal javascript array? If this isn't quite the right place to post this I apologize but there wasn't an AJAX section.
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May 31, 2010
Tool for converting between JSON and string back and forth? I don't want to use a framework like Prototype just for this so ideally umm, no frameworks please lol
Also on a side note, the eval function doesn't seem to be able to convert all possible JSON strings into an object for some reason. It only works for simple JSON literals.
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Aug 15, 2011
I have a web service that accepts application/json but returns HTML to place in a DIV. I am not having any luck configuring the .ajax call so that it both POSTs in a format accepted by the web service and does not attempt to validate the HTML response as JSON.
[Code]...
It would seem that I cannot have anything other than 'json' in the dataType, even though from the docs it appears that this only affects the interpretation of the response, changing it's value to 'html' causes the web service to reject the call. I've also tried a converter but perhaps I'm not using it properly. Is it possible to use jquery to post JSON and get back HTML? What configurations am I missing?
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Jan 1, 2012
so, the pseudo code: - on change of input contents, check to see if two input fields are set - if set, update a third field with "loading..." text and a loading gif - use ajax to send data to a url, and get a calculated json response - update the third field with the calculated response
I know I'm getting the correct response, according to firebug: {"pace":"10:00"}
the code:
$('#run_distance').change(function() {
if ($(this).val() != '' && $('#run_time').val() != '')
{
$('#run_pace').val('Calculating Pace…');
[Code].....
how to update the #run_pace input field with the json response.
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Jun 13, 2009
I got a gif image but the file type says = Photoshop.GIFFile.8 and i dont know how to put it in html tag ive tried everything.
Isnt it suppose to be this?
By the way this is the file name(spectrum intro_thumb)
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Feb 22, 2011
I have an html div
[Code]...
Now, I want to have a button by which i can convert this <div id="myDiv"> to image or .doc....
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Jun 21, 2010
<a href="www.mylink.com" class="myclass">click</a>
and I wanna change it to a javascript function that can be called via the SAME tag, but with this link:
[Code]...
this works to the point where it only opens the link, but now i can't figure out how to add the class to it. I tried adding it inside the body tag, but it doesn't work. So, I'm wondering if it's possible to set the class in the javascript.
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Jul 23, 2005
Well, I need some light in this simple thing I'm trying to do. I'm
using the XMLHttpRequest to retrieve some data from a db via php
script. The result is passed to a "results" array of strings, which
contain the data from the script.
But, the data from the script, which are the content of the strings,
have html tags in it. The thing is: I'm using the DOM to append the
string result to a table already built in the page (using
create_element and appendchild).
insertO = document.getElementById("output_table");
oTR = document.createElement('tr');
oTD = document.createElement('td');
oText = document.createTextNode(Text);
oTD.appendChild(oText);
oTR.appendChild(oTD);
insertO.tBodies[0].appendChild(oTR);
The Text var would contain something like "<font color="red">this
<b>is</b> html</font>".
This way the output isn't parsed, i.e., it shows the tags.
Does anyone have an idea on how to overcome this?
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Aug 22, 2010
after i've built an element, can i convert that element to html? the current method i'm thinking is to append this element to a new <Div> and call the Div's innerHTML but it feels rather dirty. is there a better solution?
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Jun 3, 2010
I have HTML tags stored in XML. I want to be able to use these HTML elements with Javascript, just as you can with elements in document.body. How can it be done? (And don't try and tell me I should use server-side because I have written it all for Javascript and the project is nearly complete minus this and there are practical reasons for not doing this server-side. After all, anything is possible with Javascript!)
Let me explain:
- I have HTML templates such as this [URL]
- I want javascript to populate these templates then add them to my page
- The only way I know javascript can get this kind of data is by parsing XML
- I want to parse the XML then be able to use the HTML elements just like those in document.body
- As far as I'm aware, XML is the only good way of storing data for javascript. I don't want to store it in javascript variables (too much multiline data with " and '). Nor do I want to build it using document.createElement("div")... etc
As someone not yet with any experience in computer science etc, please ignore my poor terminology! However, I'm not a beginner when it comes to javascript.
Here's the script concerned but I doubt it'll help you understand my problem: [URL]
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Aug 1, 2010
Via AJAX i am requesting certain informaiton. The script either returns the content as html or in case of an error returns JSON (error number and description).
How can i fix the success message to cater for both?
Code:
$.ajax({
cache: false,
type: "POST", //POST
url: processPageURL,
[Code]....
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Feb 4, 2010
I am trying to pass some HTML code from an ASP page back into a JQUERY function called addlist but I can't get the syntax right with regards to writing out the html via ASP. if I dont Include html in my response.write then my function addlist works as it should. I am guessing this is in relation to ' or " [code]..
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Jun 28, 2011
I have a flash application that out puts the below data:
[{"timeSinceLoaded":14857,"mode":"pickProduct","type":"clickItem","data":["itemID=pikp01"]},{"timeSinceLoaded":6096,"mode":"placeItem","type":"placeItemShelf","data":["requestedItem=pro01","selectedItemID=pro02","correct=true"]},{"timeSinceLoaded":3833,"mode":"pickMultipleItem","type":"clickItem","data":["itemID=pro02","instruction=q01"]},
[Code]...
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Sep 14, 2011
My plan was to insert an HTML string from a JSON file into the DOM. As an example for the format, see [url]. I was wondering how I could get the parse.text['*'] inserted into the DOM.
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Feb 15, 2012
I need to use Jquery $.ajax() function in order to represent JSON objects in HTML page. JSONs are on a url: [URL]. That is a string of json objects.
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Mar 27, 2006
I am trying to use AJAX and JSON to do this. I have copied an example of
using HttpRequest Object as the backbone of this from
http://www.w3schools.com/dom/dom_http.asp. Further, I am enclosing both of
my files here, in full as opposed to mere snippets. This code does what I
wish it to do except:
1. It does not update when getdata.php is rewritten. On non MSIE broswers,
it shows when first invoked, but not subsequently.
2. It fails altogether under MSIE (6.026 SP1 || SP2) -- I never get
xmlhttp.readyState==4 under MSIE.
Code:
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Jun 1, 2010
How can I get the json that this url generates?[URL]... It returns a json object as a file to download, I've tried getting the data as jsonp, but it needs a callback in the feed, but I can't generate it cause the server which generates the code is external.
[Code]...
Couldnt make it work using the get method. And using other data type just would make the incoming data as null (even including ?callback=? in the url).
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Feb 15, 2012
Im having difficulty getting my form contents to send to my php page using ajax, jquery and json. The results just doesnt want to show.
My javascript, where I create the JSON object and try to send it through to the php page:
var JSONobj;
var JSONstr;
function createJSON(){
[code]....
What should happen is the firstname should be alerted. But the alert box doesnt even show and I find no errors using firebug...
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Feb 15, 2011
I am using ajax to process a url. The result echoed back is
ok=true how can I convert that to json format so I can read that back in?
I can't edit how the response comes to me.
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Oct 15, 2010
[code]....I have 2 DropDownList, like Master-Slave.This is my Default.aspx:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
[code]....
but there is nothing to append. Also I see the response in firebug windows as following(when I Select G2 from Master ddl):
[{"Value":"G2s1","Text":"SV1"},{"Value":"G2s2","Text":"SV2"}]
And for more specific view the following pic is the JSON tab in firebug windows when I select G3 in Master ddl:I change my success method of script with this new one for test:
function SuccessHandler2(data) {
$('select#Slaveddl').empty();
$.each(data, function (i, slaveValue) {
[code]....
So I think there is a problem with manipulate of return value (data).Also I try this one and just the first alert appear, apparently the (data.d) is null or unknown object:
function SuccessHandler4(data) {
var selection = $('select#Slaveddl');
$(selection).children().remove();
[code]....
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Aug 14, 2007
whats the best way to pass a json string to the server.
if my jsonstring = {a:Ƈ',b:'sds',c:'sdg'}
could i send that to the server passing it as 1 variable like so:
url = /serverside.php?json=jsonstring
or would i have to break it down into something like this:
url = /serverside.php?a=1&b=sds&c=sdg
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