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JSON and Prototype

Posted on 2011-02-14
Medium Priority
Last Modified: 2013-09-30
please help me use prototype to populate the 'title' div with the data inside this JSON.
    "blogPosts" : [
"postTitle" : "My Blog post title",
            "content" : "my main content",
            "image" : "th-4.jpg",

html: <div id="title"></div>

Question by:ram0nm
LVL 40

Expert Comment

by:Gurvinder Pal Singh
ID: 34890312
document.getElementById("title").innerHTML = JSON.blogPosts.postTitle;

check this also

Author Comment

ID: 34890379
That didn't work. btw I needed this to be done using prototype not jQuery.

I think in prototype it should look like this, but it's still not working, not sure what I'm doing wrong:
$('title').innerHTML = JSON.blogPosts.postTitle; 

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LVL 40

Expert Comment

by:Gurvinder Pal Singh
ID: 34890394
try it

document.getElementById("title").innerHTML = eval(JSON).blogPosts.postTitle;
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LVL 40

Expert Comment

by:Gurvinder Pal Singh
ID: 34890408
LVL 82

Accepted Solution

leakim971 earned 2000 total points
ID: 34903847
The path to get the title is :
or :

To set the innerHTML you should use update : http://www.prototypejs.org/api/element/update

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Test page :
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script language="javascript" src="https://ajax.googleapis.com/ajax/libs/prototype/"></script>
<script language="javascript">
	var myJson = {"blogPosts":[{"postTitle":"My Blog post title","content":"my main content","image":"th-4.jpg"}]};
	Event.observe(window, 'load', function() {
<div id="title"></div>

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LVL 58

Expert Comment

ID: 39495092
I've requested that this question be deleted for the following reason:

Not enough information to confirm an answer.
LVL 82

Expert Comment

ID: 39495093
My last comment fully answered the question :
- use prototype instead jQuey
- show the path to the data
- working example provided

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