Use this tag for questions related to and particular to javascript-objects.
0
votes
1answer
25 views
Javascript: Parse array like search querystring
This is a string i have in my javascript
var searchString = ...
0
votes
2answers
49 views
Converting json array into variable names/ values from nested form data to repopulate form
Hopefully I can explain this properly. I have a form that gets converted to nested json from grouped form elements such as
<input type="checkbox" name="faults[slats][]" value="cracked"/>
...
0
votes
2answers
31 views
JavaScript: assignment to an object within an array changes the value of all objects in the array
I have an object which have an array to hold all the children of this object, the children are also instances of the same object (I need this for a tree like structure where the object is a node of ...
0
votes
7answers
47 views
Adding php loop data to js array
I have a php loop that loops through products and their data:
<?php foreach ($this->products as $product) { ?>
<script type=text/javascript>
product = {
id: ...
0
votes
3answers
18 views
When I initialize an array with an object in JavaScript, does the array contain a reference to the object or is it passed by value?
I am using JavaScript. I have an object. I then place that object inside an array that I initialize. I then do some work on that array and the value(s) inside it. I'm hoping to know if, by changing ...
1
vote
1answer
17 views
Understanding [options] argument in Backbone.sync method
I'm working on BackboneJS project and I need to override Backbone.sync
I was looking for code example and I found this.
Backbone.sync = function(method, model, options) {
options || (options = ...
1
vote
2answers
16 views
create a map out of list of objects using a key found in the object
Essentially I have an object like so -
var data= [
{ id: 1,
objectType: 'Workstation',
isUp: true
},
{ id: 2,
objectType: 'Workstation',
isUp: true
},
{ ...
0
votes
3answers
30 views
javascript object literal, combining values of objects within same literal
I am trying to create a new object from looping through the below and combining values of objects that have like types?
so I have something like this:
var data = [{
transID: 123,
...
0
votes
1answer
21 views
Selecting Properties from Objects 2 layers down in an array
So here's what I am working with:
var Data = [Obj, Obj, Obj]
var Obj = {
string1: 'string',
string2: 'another string',
string3: 'different string',
object: {
prop1: 'property',
...
2
votes
1answer
30 views
accessing javascript object from function
Why does first work and not the latter?? *its only a minor difference where in the latter case i used the shorthand for accessing cats object property. I read that it shouldn't make any difference if ...
0
votes
1answer
40 views
JS object toString() returns constructor.name and data which I cannot retrieve in any other way
My question is Adobe JS specific but I am almost sure its relevance is more general.
To begin, please consider the particular case:
Adobe JS API for 3D has an object called Matrix4x4. In the API ...
0
votes
1answer
15 views
Accessing a function define within a function from outside
I have some code whose structure I cannot change. And functions defined in such a manner.
var Something.someFunc = function(e){
function funcTwo(){
}
...
...
...
...
}
I ...
0
votes
1answer
32 views
javascript prototype constructor and instanceof
When I checked instanceof method, the results are not same .
function A(){}
function B(){};
First I assigned prototype ( reference ) property , into A
A.prototype = B.prototype;
var carA = new ...
0
votes
1answer
28 views
How to assign a value of variable as name of an object in javascript
I pass a string through "objName".
I want this to to be stored in the line: facebookData.objName
For example:
if I invoke the function like, fetchData(0, response, "friendsCount"), the object ...
0
votes
2answers
36 views
Adding Attributes to JS Object Literal with a Function
I am trying to add an "attribute" : "value", to my JS Object using a function, but am having trouble. I'm hoping some of you might be able to help.
Allow me to create a context...
Here is my object ...
0
votes
0answers
49 views
Programmatically Adding Attributes to JS Object
My post title is deceivingly simple, I think, because the specific question that I have is a bit tricky.
I need to add an attribute to a Javascript object. The attribute is a date and has to be in ...
0
votes
0answers
39 views
Javascript's Object has different data at a time
for(var i=0; i<Elements.length; i++)
{ if( Elements[i].y < 0 )
{
console.log({y:Elements[i].y, E:Elements[i]});
}
}
==========================================================
...
0
votes
3answers
47 views
JavaScript global callback functions are not called?
I'm building a small web app with a few other people. I want to allow the other developers to define a couple of functions that are always called when the document is ready.
Our app inserts the ...
0
votes
2answers
29 views
Addition of Properties within Object Literal produces NaN
Could someone help me undertand why I am getting NaN when adding two properties of an object literal together as the definition of a third property?
Here's a code example, and I created a Codepen ...
2
votes
0answers
70 views
error with google swiffy calling runtime.js multiple times in the same page
I have converted multiple swf files using google swiffy v5.2 and will have my new animations displayed on many different pages, most of which I do not have control of or access to. In order for the ...
1
vote
0answers
23 views
JQuery grep - returning data with 2 parameters
So I have an array of objects, many of which have duplicate key properties, since some are dynamically created replications with a few, non-specific fields subject to change.
var myArray = [
{Name: ...
-3
votes
0answers
37 views
Explain how this for loop works with objects [closed]
I found this project on the internet which makes a game of Chutes and Latters.
Here are the directions:
function createBoardCode() {
// This method creates and returns an array of objects ...
0
votes
0answers
53 views
javascript replacing an object with an object
I have a javascript object that looks like this (don't judge me).
{88:{1:{nTextID:179,bPublished:1}},
89:{1:{nTextID:22,bPublished:1},
2:{nTextID:22,bPublished:1}
}
};
at some point in my ...
-1
votes
1answer
86 views
JavaScript - Add Objects to Object and Remove via Key/Value Pair [closed]
I'm trying to finish a JS script where the objective is to add & remove first names & last names from an object. It's going to be transferred via AJAX to a PHP script which will then ...
0
votes
2answers
32 views
Multiple Values for Single Javascript Object Property
I have a javascript object which is built dynamically in a loop. I'd like to replace properties that might already exist with newer ones during the iteration- basically treating the object like a ...
5
votes
2answers
63 views
3 different types of JavaScript objects, what is the difference?
I've been deep diving into JavaScript lately and stumbled upon a question.
What is the difference between the following implementations of a object:
var myFunction1 = (function myFunction1() {})();
...
0
votes
1answer
40 views
How to access global variable in function hook in javascript?
I want to use global variable 'x' in the below hook funcion.
var x = 10; //global variable
var oldA = a;
a = function a(param){
alert(x); //showing error: x is undefined
...
0
votes
1answer
16 views
Javascript: Calling object property says the object(declared with object literal) is undefined
html:
<div class="odf_details" id="con_details_nttn_odf_details">
<span class="hidden_id">con_details_nttn_odf_details</span>
<span ...
1
vote
2answers
41 views
Acessing javaScript array of objects like a matrix
Is it possible to make access to a property of an object into an array of objects like a matrix?
I mean something like this:
jSon generated object:
[
{
"Nome": "1",
...
0
votes
2answers
58 views
Merging two backbone collection and models into one object using underscore
I have two backbone collections Categories and Items, Categories contains category models with id, name, and items (w/c contains item ids in string format separated by commas) and Items collection ...
0
votes
1answer
11 views
javascript: when declaring a prototype method: error is invalid left hand side for assignment
I am new to object oriented javascript. Trying to make an object constructor.
Here is my code
function Collection() {
this.ports = build_ports_collection();
this.all_things = ...
1
vote
3answers
33 views
Javascript objects: Is there any difference between setting an objects property from inside a function or by its return value
Setting a property named 'sample' to 1 :
Way 1:
function Collection() {
this.sample = function() {
return 1;
}
}
Way 2:
function Collection() {
this.sample = function() {
...
2
votes
1answer
31 views
How do you extract/where the javascript list with an array property
I like to extract the javascript object list using underscore.js where
The original json list
[{"id":1},{"id":2},{"id":3},{"id":4},{"id":5},{"id":6}]
And the array to filter out:
...
0
votes
1answer
113 views
AngularJS - filtering Javascript Map
I've been trying to implement filtering JS Map Object (array indexed by an id) instead of the usual js array in angularJS.
For illustration, below is a slight modification of the filtering example as ...
0
votes
2answers
65 views
Setting JavaScript “class” properties from internal function using “this” Keyword?
I am surprised that I could not find more on this topic (could be my sub-par search skills). Typically once I think I understand how the JavaScript keyword, "this" works it then stops working the way ...
0
votes
2answers
51 views
Backbonejs - use nested object as id attribute
Is it possible to use a nested object as the id attribute in Backbone?
For e.g. something like,
var MyModel = Backbone.Model.extend({
defaults : {
'info': {
...
0
votes
0answers
31 views
Calendar is not populating events through javascript object
I am new to javascript and trying to achieve events of calendar through this code.
var jsonObj = [];
for (var x = 0; x < incCntListSize; x++)
{
var date = $("#calloutDate_"+x).val();
var id = ...
0
votes
1answer
26 views
JavaScript field logged to console is always “undefined”
It's the first time i use objects with JavaScript, i used the method 1.1 from this tutorial, i have this code:
function MyClass() {
this.currentTime = 0;
this.start = function() {
...
0
votes
1answer
30 views
Javascript object changing automatically?
I have the following code:
var doneFile=convertToMOSTEM(curFile.file,curFile.color,curFile.importance);
console.log('doneFile:');
console.log(doneFile);
debugger;
filesOS.add(doneFile);
debugger;
...
2
votes
3answers
48 views
Set JSON property with fully qualified string
This question achieves kinda the opposite of what I'm trying to do. Basically, I have this object:
var a = {
b: {
c: 'Foo'
}
}
What I need to do is set the value of c given the ...
0
votes
0answers
19 views
access dynamically generated nested object name
I'm creating a nested object with random characters dynamically on page load. I can't figure out how to access the names dynamically. I'm using a library that needs the name of these objects to ...
0
votes
0answers
30 views
How to get multiple images from a prototype object in javascript?
im trying to figure out how to get multiple image objects with a prototype object. I know for a fact I can get 1 instance of an image.. But I would like to declare multiple images from an array and ...
0
votes
1answer
191 views
Using curl POST with variables defined in bash script functions
When I echo I get this, which runs when I enter it into the terminal
curl -i \
-H "Accept: application/json" \
-H "Content-Type:application/json" \
-X POST --data ...
2
votes
3answers
67 views
Javascript object with .push() method
I want to create javascript object using .push() Method and create Key Value Pair.
I have tried it, but it doesn't work.
$("input[name^=ang_nama]").each(function() {
...
1
vote
4answers
75 views
Best Method to Merge Javascript Arrays into an Object Literal
I'm looking for a native JavaScript method to merge 2 arrays into a literal object.
Turn this:
var x = ["blue", "yellow", "red", "green", "brown", "grey", "gray", "orange"];
var y = ["james", ...
1
vote
2answers
68 views
jQuery OOP element parameters
I want to create a jquery slider using oop. This is the structure of my code :
var photoGallery = new Slider();
function Slider(){ this.init(); }
Slider.prototype = {
el : {
nav : ...
0
votes
1answer
14 views
jQuery Merging 2 objects with dynamic properties
I have 2 javascript objects. I need to merge them together, however one of them contains dynamic form field values, saved to variables.
I have some example code here: http://jsfiddle.net/ZAa7L/
I ...
0
votes
1answer
110 views
Changing marker properties (google maps) when all marker-objects have the same name
I have a google map on my website that is populated with markers through PHP. What I don't understand is how I can identify each marker individually since all marker objects have the same name.
This ...
0
votes
1answer
84 views
Pushing value into a multidimensional array
I have surfed the problem but couldn't get any possible solution ..
Let's say i have a var like this
var data = [
{
'a':10,
'b':20,
'c':30
...
0
votes
1answer
24 views
Referring to object properties during declaration?
So I have this object, and I am wondering how I refer to other properties while declaring:
var Chatter = function(io){
this.base_url = "http://chat.chatter.com:1337";
this.debug_on = true;
...