Javascript

Download Beginning Backbone.js by James Sugrue PDF

Posted On March 3, 2017 at 11:11 am by / Comments Off on Download Beginning Backbone.js by James Sugrue PDF

By James Sugrue

Starting Backbone.js is your step by step consultant to studying and utilizing the Backbone.js library on your net tasks. Backbone.js is likely one of the most well-liked JavaScript libraries between net builders, used to create modular, single-page internet apps. This ebook takes you from downloading Backbone.js and its dependencies the entire method to utilizing extra complicated libraries to constitution your program structure, and every thing in between.

With a real-world, useful method, you are going to find out how you could combine Backbone.js into the heart of your JavaScript stack, and create scalable functions. James Sugrue indicates you ways to enforce all features of templating, paintings successfully with RequireJS, and entirely comprehend Grunt and all its plug-ins. Armed with this data you'll manage to architect a continuing integration approach that's key to real-world applications.

With the explosion of JavaScript-based purposes on the internet, the necessity for extra based methods to code administration is extra vital than ever. Backbone.js is helping create purposes that separate types from perspectives, permitting builders to prevent spaghetti code. starting Backbone.js will lightly advisor you into this amazingly robust library, and assist you ramp as much as development expert functions. combine Backbone.js into your paintings this present day with this crucial publication.

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In cases where the id attribute has not been set and save is called, the model will invoke a create operation (HTTP POST) on the back-end REST service, while an update (HTTP PUT) operation will be used when the ID has been specified. This is a simple way of ensuring that a single save function can be used regardless of whether your model has been newly created or has been edited since last retrieved from the server. The save function can be called with no parameters or can take the set of attributes you want to persist to the server, along with an options hash that contains handlers for both success and error cases.

Get function. Recall that until a model has been synchronized with a back-end service, the cid attribute is used instead. get('name'): If no model matches the id or cid that is used as a parameter, this function returns undefined. at function, which accepts the index at which the model is present in the collection. If the collection is not sorted, the index parameter will refer to the insertion order. get('name')); } There is a more elegant utility function provided by Underscore that helps iterate through collections, namely, the forEach function.

Id Defining Constructors The previous section just scratches the surface of how to create objects. More often than not, you will want to use a constructor to create your object. A constructor allows you to pass through some initial variables and set up the initial state. In other languages, this is achieved using classes, but JavaScript doesn’t have classes; it has functions. This is where you really get to see the language flex its muscles. Imagine you want to create an object that will represent a message.

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