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Questions tagged [backbone-model]

Models in the Backbone.js library.

Docs

325 questions
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Run code after Backbone model is fetched or instantiated with model data

What's a clean way to run some code during initialize() if a Model is constructed with all its data, but otherwise run that code only after a fetch? The best I have is something like the following, but I'm hoping there's a more streamlined way of…
Cameron
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Filter a backbone collection based on multiple model attributes

I am wanting to filter a backbone collection so returned to me are are only models that match or are close too some search parameters, My models structure looks like this, { email: "name@domain.com", first_name: "Name", surname:…
Cycs
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Backbone JS: Assign a model attribute in fetch call

Sorry, if this is basic but I'm a total starter with Backbone.js and I can't work out how to simply assign an attribute (data) with data obtained from fetch. I believe it's to do with binding (this), but I can't figure it out. Here's my code: var…
Adam Moss
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My Backbone Model's validate method called on model.fetch, but not on collection.fetch

EDIT tl;dr: I would like to only fetch models and add them to the collection that meet some validation criteria. I am able to use the model.validate() method if I am fetching only a single model, but when using collection.fetch(), model.validate()…
elsherbini
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Backbone model structure gets changed when returning them from web worker

I am trying to reset a backbone collection with an array of models. It gets reset but the model structure is changed (nested one level). Here is a detailed explanation: Model var SeatModel = Backbone.Model.extend({ defaults:{ }, …
Himanshu Arora
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Issue about backbone and collections and added mechanism

I develop a web application - it's a some html block which must rerender when user pres next or prev button - it's a carousel. I have an array of 5 elements (videos) and user view it one by one pressing next or prev button. When application is init…
user3193094
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Backbone PUT is sending data www-form-urlencoded instead of application/json

I'm pretty new to backbone and how it works and inherited a bunch of code but I can't solve this at all: I have a user model: var User = Backbone.Model.extend({ idAttribute: 'username', defaults: { username: "", email: "", …
bugg
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Backbone reformat model

Hello I have a model in backbone that looks like this, Project {cid: "c2", attributes: Object, _changing: false, _previousAttributes: Object, changed: Object…} _changing: false _pending: false _previousAttributes: Object …
Udders
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What is the best practice for nested models in Backbone?

I have a Collection "Map" and two models "Zone" and "Section". Zone attributes: zone_title: "New zone" width: 0 height: 0 order: 0 sections: [] Section attributes: section_title: "New section" content: "Some texts" …
kLezer
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Passing custom headers with Backbone.js collection.sync

Without having to implement a custom collection.sync, is it possible to send custom headers to the server when Backbone.js calls its sync method? That is, I want to pass a customer header to the server when I perform an operation, like…
Swisher Sweet
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Backbone.js design pattern for JSON data

I've got a question about best practice when designing JSON file which will be displayed by Backbone.js. I know that Backbone is completly agnostic in this topic, but maybe someone will give me good advice in this certain situation. In the end, I…
user1854236
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clone backbone model attributes

I have one backbone model containing 10 attributes, Now I want 5 attributes ( out of this 10 attributes ), to be copy/clone in my another newly created model. I can do this thing with getting/setting individually, but I want to know, is there any…
Manish Sapkal
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User "GET" request in Backbone

I'm trying to use the GET method to send and retrieve information from the server but I seem to be having some trouble with the formatting the data for transport. Does backbone serialize the data into url parameters when using .save() .fetch() or…
Kendall
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Using multiple models and collections in Marionette/Backbone view

I'm not sure what the right approach here is. I am setting up a simple form. I need a couple of standard HTML input fields and a couple of select inputs. The data is coming from a couple of different sources and I would like to present the models…
Wittner
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Change listener on collection (obviously listening models change)

I have a tabular data view with ability to sort on each individual column. As data being huge, I prefer to show few rows in the page and load rows on demand. So wheneever user sorts a column in page, a new request is made to server and new data rows…
ykjs121
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