I have an associative array in JSON
var dictionary = {"cats":[1,2,37,38,40,32,33,35,39,36], "dogs", [4,5,6,3,2]};
Can I get the keys from this? I tried in Visual studio putting a breakpoint but can't see any property ... |
I'm dabbling with a linguistics Javascript project. I'd like to build it using objects to represent Nouns and functions to store Verbs as this makes conceptualizing my project less difficult. I'm ... |
How do I check if a particular key exists in a Javascript associative array?
If a key doesn't exist and I try to access it, will it return false? Or throw an ... |
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I have an array created with this code:
var widthRange = new Array();
widthRange[46] = { sel:46, min:0, max:52 };
widthRange[66] = { sel:66, min:52, max:70 };
widthRange[90] = { sel:90, min:70, max:94 };
I ... |
I have a javascript array that looks like this:
'40x27' => array(
'1' => 0
'1.5' => 2
...
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Since I'm more versed in php thank in js I'll try to explain what I need from a php perspective. I need to pass to a javascript function an array:
array('fieldname' => ...
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Is it possible to create a javascript array similar to PHP's method which allows you to define the keys during creation?
$arr = array("foo" => "bar", 12 => true);
Or can this only ... |
is there any function to get the keys of an array using javascript
Also i want to reverse and array
eg:
appz_variable['412cc16e']="ABXZ";
appz_variable['axecr6fd']="YCSET";
I want the array indexes or keys ... |
var place = []
place[0] = "Sant Marti de Canals";
place[1] = "Catalonia";
place[3] = "";
place[4] = "Spain";
placeTitle = place.join(",");
current output is "Sant Marti de Canals,Catalonia,,,Spain"
how can it be "Sant Marti de Canals,Catalonia,Spain"
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So, this might be a weird thing to try to do, but I'm curious if it's possible:
Say I have an associative array like this:
myarray[50] = 'test1'
myarray[100] = 'test2'
I can ... |
Hopefully an easy question.
Why is that checking for existence of a key in a multidimensional array:
a = new Array(Array());
a[0][0]='1';
a[0][1]='2';
if(a[1][2] == undefined){
alert("sorry, that key doesn't exist");
} else {alert('good, your key exists');
}
seems ... |
I'm using javascript, and I have an array containing multiple values, which may be non-unique. I'd like to take this array and generate a new array, or ordered list, of ... |
I saw some code which was storing key,value pairs in 2 arrays. The only purpose of this storage was to use the 2 arrays as a hashtable, 1 array stored keys, ... |
What would be the best way to go about separating the key and values into two different arrays so that this -
var data = {"A Key": 34, "Another Key": 16, ...
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var people =[{title:'Alan', hasChild:true},
{title:'Alice', hasDetail:true},
{title:'Amos', header'A'},
...
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var people =[{title:'Alan', hasChild:true},
{title:'Alice', hasDetail:true},
{title:'Amos',},
...
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RaceArray: [{
Unknown: 0,
Caucasian: 1,
AfricanAmerican: 2,
AmericanIndian: 3,
Asian: 4,
Hispanic: ...
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If I have the following array: [5, 1, -7, 3, 6, 8, 0, -1, -3]
By sorting it I get [-7, -3, -1, 0, 1, 3, 5, 6, 8]
That's fine, but what ... |
If I have:
var myArray = new Array();
myArray['hello'] = value;
How can I change the key 'hello' to something else?
Something like this would work.
var from = 'hello',
to ...
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I want to shuffle an array and change the keys over to unique identifiers.
Here is what I have so far which is a mix of a couple of functions I found ... |
I've created an array in JavaScript and inserted objects with keys of object_ids:
var ar = [];
ar[4] = 'a';
ar[2] = 'b';
ar[8] = 'c';
ar[5] = 'd';
Problem is when I print this out the ... |
I haven't seen any mention of this around, but is there any way to deal with an associative array key in CouchDB?:
map: function(doc) { if (...) { emit({ one: doc.one, two: ...
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Ok, I'm going a little wrong here and I've already wasted an hour with this so hopefully one of you guys can help me.
var a = ['left','top'],
x ...
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Hi, I'm a bit of a newbie with Javascript. I have an array called "Prods". Here are the different values in that array: ProductName, HowManyCalories, ProductImage, LinkFromImage, Description, Price, BuyLink There are a number of products. I'm just wondering how do I use "ProductName" as a product key to output its unique values? Eg. the ProductName is "Chocolate Spread" - how ... |
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Hi Here is my code: Code: var prods = [ {name: 'Dell XPS', color: 'Black', price: '650.00'}, {name: 'HP Pavilion', color: 'Pink', price: '550.00'}, {name: 'Sony Vaio', color: 'White', price: '800.00'} ]; It is an associative array. Rather than running through all the products, is it possible just to output the price of "Dell XPS" and color of "HP Pavilion" separately? ... |
Hi, Firstly, apologies for my terrible JavaScript knowledge! I'm getting there! I have an array that is made up of the results of a few SQL queries. The queries return the record id and an integer. I need to sort the results of the queries by the integer. I am trying to store them in an array, using the record is ... |
Thanks guys, but my exact problem is still unsolved - maybe it's just not possible. I'm setting a variable to a string value which is a dynamically created ID for a dynamically created DOM node. I don't know what this value will be I want an array, or an object, to use this string as in index or key so I ... |
I have a file that pulls values from a database and converts it to JSON. The output looks something like this: {"names": ["This is a name", "Another name", "Yet another name"]} The problem is, I need to maintain the numeric keys from the database. I've been pulling my hair out trying to get this to work with JSON. Essentially, what I ... |
Thanks for reply vbrtrmn, however it does not solve my original problem - I have mentioned about your approach in my post. Yeah, I am somewhat obsessed with short notations, and wondering if I could assign variable names as keys on the fly. BTW, the code is for demonstration purposes only; it is not cut from any serious code I am ... |
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Hi there, I'm currently working on a photo gallery in jQuery. At the moment I load an array (images), with the scrs of the images in a certain div. I then push and shift the scrs so that the array changes on each timeout... Actually it's probably easier if I just show you the code: Code: function revolve(delay){ var src = ... |
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