Models in the Backbone.js library.
Questions tagged [backbone-model]
325 questions
1
vote
2 answers
Appending new data to the Backbone Relational Relation
I'm trying to design a load more type of system where every time you press load more you add data to the existing collection. This is a rough sketch of how the UI looks.
Everything works pretty great except as you would except everytime I re-run the…

user391986
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1
vote
1 answer
backbone fetching a model returning strange data
I am fetching model data from my server like this in my backbone application,
var projectModel = new App.Models.Project({ id: 1001 });
projectModel.fetch();
The fetch works and I get data back from the server, but the data is not in the format I…

Udders
- 6,914
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- 194
1
vote
1 answer
Initialize Backbone Models based on another Backbone Model
I have a config.json that I am going to load into my app as a Backbone Model like:
var Config = Backbone.Model.extend({
defaults: {
base: ''
},
url: 'config.json'
});
Other models should be dependent on some data contained in…

lbrahim
- 3,710
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1
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1 answer
backbone model.save() does not set the response body of the express server with body parser
I am trying to save (post) a Backbone model using a model.save().
Model:
Backbone.Model.extend({
urlRoot: '/project/',
defaults: {
projectname: "default projectname"
}
});
Saving the model (in my Backbone.router object):
putTest:…

Johannes Akse
- 43
- 7
1
vote
1 answer
Backbone view listening to model, not firing on change or reset?
I am using a model to fetch location data from a service using POST.
However I am struggling to get the view to listen to that model when it finally receives a response.
Note I have overriden some model methods to fit the service I am using.
Model…

tomaytotomato
- 3,788
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0 answers
How do I test Backbone.Model's methods that delegate to $.ajax?
Backbone.js is working fine when I compile it with browserify, however I'm having a hard time testing my Backbone.Model's under Mocha. When I do I get,
TypeError: Cannot read property 'apply' of undefined
at Object.Backbone.ajax…

Evan Carroll
- 78,363
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1 answer
Backbone Performance - Collection with a view per model or only one view for the whole collection
If a have a collection with 50 models, it seems that I have 2 main options to render a list displaying 50 models:
- Option1 : Create a specific "item view" for each model and append these views to a main "list view". This will provide a direct…

jheissat
- 13
- 4
1
vote
1 answer
Backbone.js Error when binding a model to a view
I´m new to Backbone.js, but after some research I still couldn´t find the source of my problem.
I am developing an App and I have a collection of models, which I eventually want to display in a view (just one model at a time).
Here´s my code so…

Vincens von Bibra
- 113
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1
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2 answers
Generate custom Backbone error on model.save success
I am trying to override Backbone.sync method for my model.
The server returns status : 200 OK and model fires success callback in all cases.
The server response is as follows
status: 200 OK
response : {
statusCode: '0'; // 0 success, 1,2,3…

user2179539
- 116
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1
vote
2 answers
Backbone.js - get view, model or collection property in ajax 'beforeSend'
I am using Backbone.js in my node app. I am calling various ajax call from views, models and colllection. I have created my custom property e.g. "myName" in every view, model and collection and assigned with unique name for each. Now I want this…

Manish Sapkal
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1
vote
3 answers
Backbone.js What is the purpose of specifying a model in collection
Here is what I am trying to understand.
Often times I find myself writing backbone like this:
var CallModel = Backbone.Model.extend({
});
var CallsCollection = Backbone.Collection.extend({
model: CallModel,
url:…

Banning
- 2,279
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1
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2 answers
Backbone.Model how to listen for changes on multiple attributes only once
Say I have a Layout model with width and height properties. And Say I want to update a view when either of them changes, but the updating process in computational intensive and requires the value of both width and height. The computation process…

Prinzhorn
- 22,120
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1
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1 answer
Objects not being removed from collection in Backbone
this is the jsfiddle
What am I trying to achieve?
I'm trying to create a message client using this tutorial,
I'm at the part where an object gets removed from the view.
What happens when I click delete?
For some reason the remove function gets…

user3531149
- 1,519
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1
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2 answers
Backbone collection.where
I am retrieving a model from a backbone collection.
var organisation = this.collection.where({ group_id : String(elm.data('groupid')) });
this returns a result as I would expect it too.
I then when to do some getting and setting on that model, but…

Udders
- 6,914
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- 102
- 194
1
vote
1 answer
Instantiate model from existing model in Backbone
What is the preferred way, if any, to instantiate a Backbone model from an existing model, assuming that the model to be instantiated is of a derived type of the existing model?
The case I have in mind arises when dealing with nested models. For…

tacos_tacos_tacos
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- 126