Re-organizing Multi-dimensional Array?

Oct 30, 2009

Short version: I'm having trouble with "moving subarrays" in a multidimensional associative array.

Long version: (Yes, I know that there's technically no such thing as a js associative array and that I'm actually using a generic object.) This is one of those annoying questions for which significant code can't be shown.

I'm fetching a JSON object from PHP and parsing it as multi-dimensional associative array that comes out with this "structure": obj[regions][variables][years] = value; My presentation logic works fine for that. Year data is presented for each variable, and variables are grouped by region. For reference, if needed, the display is tabular and similar to this:

[Code]...

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Incrementing A Multi-Dimensional Array

Jul 27, 2005

I'm kind of at a lose this is my first foray into using a multi-dimensional
array and I've run into a snag. for some reason the second dimension always
seems to end up being the last value of the second dimension of the array
ie: in the case below the conditionArray[[0][1]] always ends up being 6.0
where it should be 1.0. Code:

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May 21, 2010

I'm trying to create a multi-dimensional associative array that has some of its data created dynamically. The code I've currently got is as follows (using JQuery to retrieve form element values):

Code JavaScript:
 
var data = {
label: $('#label').val(),
child_float: function() {

[code]....

.. if its values were not being created dynamically. However as you can tell that isn't what is being generated at the moment, as there's no opening/closing brace before/after the child_float's member variables. Any ideas what changes I need to make in order make the child_float behave as intended?

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Sep 17, 2010

What is the correct syntax for multi-dimensional array? an array of arrays. I have an array such as code...

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Dec 17, 2009

in PHP I can create a multi-dimensional array with strings for keys,eg

$arr['key'] = array("item 1","item 2");

This works if the string is a variable as well, like

$key = "MyKey";
$arr[$key] = array("item 1","item 2");

I'm trying to something similar in javascript, but with no luck

[Code]...

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Passing A Multi-dimensional Javascript Array Through A Form

Mar 11, 2005

I would like to be able to pass a multi-dimensional Javascript array through a form to a server-side script I am running. Any suggestions as to how to do this? I know how to asign a Javascript variable to a hidden field (basic stuff ), and if it was a single-dimension array I would join() it, but I don't know how to treat a multi-dimensional array. Any suggestions?

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Sep 27, 2011

I have a Javascript array object like this:

[0][0] - 32[1] - 13[2] - 26[1][0] - 8[1] - 17[2] - 4[2][0] - 10[1] - 30[2] - 22...etc

and what I want to end up is with an array with the sum of the [0], [1] and [2] values, so for instance with this example, I want an array returned like this:

[50, 60, 52] i.e. this is [(32+8+10), (13+17+30), (26+4+22)]

My real problem with this is that the "inner array" can be any number of (its dynamic), so in my example its just 3 values but it could be for example 5 values e.g.:

[0][0] - 32[1] - 13[2] - 26[3] - 16[4] - 6etc

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Sep 28, 2009

I'm sure this is a simple matter, but i cant seem to work out how to loop through a multi dimensional JSON object (where the keys are unknown). [code]...

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Aug 9, 2006

I'm trying to get rollover images to work that are a little more complex than usual. I have a webpage that presently gives information on four groups within an organization. I've put each group within its own div with an id. The div contains a short description of what the group does, thumbnails pictures of each member of the group, and to the right of these thumbnails, a larger picture. This larger picture is supposed to change, when ever the mouse is over a thumbnail to a normal size picture of the thumbnail, for the first part.

I tried to put in a script that will preload all the original images that should be changed. First I created an array with all the names of the divs, then used two for loops, one nested inside the other to get the pictures into the array. Tried to get the names of the array to hold the pictures from the first array with the names (inames), using a two dimensional array (used an example from a post on this forum) but it seemed to have gone astray, as the onmouseover doesn't work. Code:

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PHP Looping To Create Multi-dimensional Variable

Jan 19, 2010

PHP Code:

<script type="text/javascript" src="sylvester.js"></script>
<script type="text/javascript">
var M = $M([
<?php

[Code].....

I need to build a 100x100 array. I'm using the sylvester plug-in to make a matrix. The code executes fine and when i go view source from the browser the 100 rows and columns are defined just fine. I think that the document is first loaded then the php loops are executed on the server. Is there any way i can load a multi-dimensional array with PHP. I must do it that way, cause later i'll need to query the databases in the loops above.

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Oct 12, 2010

I am declaring a 2D array like this...

Code:
var myArray = [];
myArray[0] = [];
myArray[1] = [];

So now the first dimension will have a size of two (0 or 1) and the second dimension will have an unlimited size. I want to sort this array by the integer values held in myArray[1][x], where x is any number between zero and the size of my result set. That is, I want to reorder the array such that

[Code]....

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Problem Using GetElementsByName On 2 Dimensional Array In IE

Aug 17, 2007

How can I fetch a part of the array in IE?

The code works as expected in Opera and Firefox, but IE returns an error saying that matchPaid does not contain a value.

As it seems IE does not pull any of the input fields belonging in the array.

I believe the issue lies in this line:

var matchPaid = document.getElementsByName("plan_bonus_amount["+key+"][]");

The rest of the function:

JavaScript Code:

function updateMatchPowerline(total, newPlan) {
var totalPlan = parseInt(document.getElementById("total_plans").value);
var totalMatch = document.getElementById("total_match");

if (newPlan === true) totalPlans = totalPlan + 1;
else totalPlans = totalPlan;

var matchValue = 0;

for (var key=0;key < totalPlans;key++) {
var div = document.getElementById("match_table_"+key);
var newTbody = document.createElement("tbody");

var match = new Array();

if (key < totalPlan && parseInt(totalMatch.value) > 0) {
/*Fetch the current values, then clear the table*/
var matchPaid = document.getElementsByName("plan_bonus_amount["+key+"][]");

for (var nr=0;nr < parseInt(totalMatch.value);nr++) {
match[nr] = parseFloat(matchPaid[nr].value);
}

remove(div);
}

for (var nr=0;nr < total;nr++) {
if (typeof(match[nr]) != 'undefined') matchValue = match[nr];
else matchValue = 0;

newTbody = createMatchPowerline(newTbody, key, nr, matchValue);
}

div.appendChild(newTbody);
}

totalMatch.value = total;
}

Does anyone have an idea on how I can fetch those values in IE?

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Aug 31, 2010

I have a section of javascript that declares a global variable for a few functions, like this incomplete code

Code:

The above, in its full version, changes the text in a textarea. In my php code, if I include the above code above the textarea, it all works as expected.

The problem is that I may have more than one textarea - the number cannot be known beforehand. If I include the above before each textarea, the pointer gets confused as to which string belongs to which textarea since the global variables get redefined many times. In php, this would be a simple problem to solve with a mutildimensional array but, from what I understand, javascript doesn't have such arrays.

Someone can provide a solution that will allow me to use the same block of code over and over in the same file.

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Sep 16, 2010

I have a database which writes to a webpage. The html has one field showing called client_userid with an id of client (see below)

<tr><td>
<span id="client"><WebObject name=client_userid></WebObject></span>
</td></tr>

The value returned in the table is a 7 digit number eg: 1234567 This web view may have one, a few or a thousand records showing depending on the search criteria. For the life of me I cannot find a script that will pass all returned field values to an array that will allow me to remove duplicates and add a hotlink to the individual number and showing the result in a new view of the original table.

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Jul 20, 2011

Lets assume the following object

Code:
var x = {
y: {
z: 10
}
} ;

Next, I need to retrieve the value '10', but the only thing I have is one string as a key For example (this doesn't work):

Code:
var str = '[y][z]' ; // or 'y.z'??
alert(x[str]) ; // should alert 10

Can this be done using a single string as input for x ?

UPDATE: a solution which comes close to what I was looking for is

Code:
var str = "x['y']['z']" ;
alert(eval(str));

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Dec 4, 2010

i wrote code below, but it always return -1,

var arr = {
11: {
2: 'value1',
3: 'value2'

[Code].....

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Aug 10, 2009

I'm having difficulty trying to return a multi-demensional array using Javascript Prototype's Hash Object.I have been able to return the values of the following associative php array using JSON and Javascript Prototype's Hash Object:

php array

$player = array(
'PlayerName' => 'Ron Artest',
'Position' => 'Forward',[code]............

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Sep 20, 2011

I have a problem where I have a number of random set of elements that have a fixed rule for class name. I want to move them to a container element according to this class name. So for example the site generates

Code:
<p class="dog-1"></p>
<p class="dog-2"></p>
<p class="cat-1"></p>
<p class="dog-3"></p>
My output would be ideally
[Code]...

When searching for a solution, all I could find was simple ordering of elements according to class...

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Sep 20, 2011

I have a problem where I have a number of random set of elements that have a fixed rule for class name. I want to move them to a container element according to this class name.

So for example the site generates

Code:
<p class="dog-1"></p>
<p class="dog-2"></p>
<p class="cat-1"></p>
<p class="dog-3"></p>

[Code].....

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Sep 3, 2010

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May 17, 2009

How should I define two dimensional arrays in javascript?

Im unsure if the following code is okay...

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Mar 18, 2009

I am having serious problems over a JavaScript function. I have 2 x 2 dimensional arrays of data to display on the screen, each array being 18 x 18. The arrays and displaying them is working fine, I have 2 lots of X and Y variable (LocX1, LocY1, LocX2 and LocY2) which I use to reference the cells of the arrays.

I have 2 similar (but not identical) functions to move around these arrays using links on the screen.

[Code]...

As you can see, I have tried multiplying the variable by 1, adding zero and using the Number command. All other directions work fine and all links are identical, just passing a different 'direction' through an onClick.

P.s. I miss placed this post before, and it was sugested I re-check the links that set the functions off. They are all identical (all 8), except for the 'north' 'south' etc. bit.

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I have the following array structure code...

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all object oriented langs give a posibility to implement many construstors

can I have few constructors in js
i.e.:
function X()
{
this.Id = 1;
}
function X(id)
{
this.Id = id;
}
X.prototype.print = function()
{
alert( 'Id: '+this.Id );
}
var x1 = new X();
var x2 = new X(5);
it doesn't work, print return:
for x1: Id: undefined
for x2: Id: 5

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May 1, 2006

I have a web page with several iframes, and I want to be able to refresh
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