If you're looking for Ember.JS Interview Questions & Answers for Experienced or Freshers, you are in the right place. There are a lot of opportunities from many reputed companies in the world. According to research, Ember.JS has a market share of about 14.69%. So, You still have the opportunity to move ahead in your career in Ember.JS Development. Mindmajix offers Advanced Ember.JS Interview Questions 2024 that helps you in cracking your interview & acquire a dream career as Ember.JS Developer.
Ember.js is a JavaScript web framework that is open-source in nature and is one of the best options available when it comes to building single-page web applications. Standard application architecture can simply be assured from Ember.js. The good thing is it develops applications that are best in running in the browser.
There are certain benefits that programmers can have. A few that have been considered as best are:
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There are several components of Ember.js that play a significant role in making it the best in every aspect. These are:
A model is a useful approach in Ember.js. Basically, it is used to store persistent states in an Ember application. A lot of complexity from this task can simply be eliminated and without doing much. Templates can simply be supported and developers can always make sure of the required data that is necessary to be displayed with the HTML page. This data is generally in the form of text and there can be a limit on the same depending on a number of factors.
It’s Model, View, and Controller on which Ember applications are generally based. It is abbreviated as MVC. The role of the model is to define the data that is present and is useful for the developer. On the other side, Views display other data and in addition to this, it also captures actions of the users so that they can be repeated easily in case their need is felt shortly. Controllers modify the query and at the same time, it also modifies the data and offers user interactions in the most reliable manner.
Decorating the model which is returned by the route is a very essential task that needs to be performed in Ember.js. The same is handled by Controllers. It is not always necessary that only a single controller performs this task but depending on the task itself, there can be a need for multiple controllers. In addition to this, there are a lot of actions that users perform, Listening to them is also the responsibility of the controllers.
Ember.js applications automatically download everything they need to perform their function smoothly. On the other side, traditional or other applications depend largely on the server. Because it automatically downloads everything, users need not worry about the wastage of time while using the application. Also, when it comes to UI, there is no need to load the new pages again and again. The same REST API is used again and again in the form of a native app and thus time, as well as cost can be saved easily.
Log Binding is a function which is a Boolean function in Ember.js
Specifying all the states of an application and then mapping the same to the URL is something that is performed through Router. Without this task, a lot of confusion can be created and there are certain chances of runtime errors. On the other side, an {{outlet}} tag is used for constructing a hierarchy of sections. This is done generally by enabling a mean for all the container templates that are used to have a child template. This task is governed by Router and thus it plays a significant role in making Ember.js more useful.
This can be done with the help of a function isArray.
Yes, these are different terms. The router is basically a medium that connects the application with the browser’s address. It is possible to translate the address into a route simply. Because it only acts as a channel, it always makes sure of accuracy. On the other side, Route is a location where the request of a user reaches first after it is made or translated by a Router. It’s nothing but the Route that is responsible for defining the data that is to be sent to the Template.
For this task, users first need to call the compiled file, and after this, the request can be sent to the server for its accomplishment. If it returns a value along with a function, the same can be used for creating the Ember.handlebars template. In case the value is not returned with a function, there is some error which users need to check.
It is basically considered as a library that keeps all the retrieving records either from the user or from a server. Its responsibility is to update the data and then again save them to the server. In case programmers felt, they can check the errors and redundancy before it is made to save on the server. It can also be used for data backup and other purposes in case the need for the same is realized.
This can be done with the help of the isEqual function. There is no limit in case the size of the arguments is small.
There are two methods for this. The very first one is simply extending the Em.View class to the possible limit. This is generally done while creating an object in JavaScript for the purpose of defining view. All the functions, as well as the variables, can simply be declared in it. After this, a view can be inserted into the template. The second method is based on a scenario in which there is no need for the developers to have the name of the view along with them. However, the template name which is present in the object is required. The same should be initialized in the values as a data template.
The prime role of an adapter is to handle queries related to the task assigned to it. There are different adapters that can be assigned different tasks. It can also query the back as well as the front end. The common adapters in Ember.js are Rest, JSON, LS Adapter, and the latter deals with local storage or when data needs to be stored in low.
Well, the fact is Controller plays a significant role especially when it comes to business applications. The rate of errors can be more if it is not used. With the help of a controller, it is possible to view a section or an entire WebPage for any purpose such as modification. It seems very similar to the block of a logical function.
There are certain template components that are extremely powerful in Ember.js and are used for various purposes related to running the code in an error-free manner. These include:
They are similar in one aspect and i.e. They can be called in all the programs with similar functions.
Yes, it is possible.
Yes, it is possible. Generally, a command calls the extent () method is considered on the object for this purpose. There is no limit on defining the same in some special cases.
For doing anything, it is always good to check the procedure with sample data. This is because the task is sensitive and needs a lot of care for accomplishment. This can be done with the help of long-term persistence fixtures. However, it is necessary that applications must be connected with each other. The application adapter is to be made the extension of Ds.Fixture. For communication purposes, the adapters can be deployed easily. At the last, the file is to be updated to the model todo.js
These are:
There is an object named Enumerable that generally contains child objects. Using the operator Ember. Enumerable API, it is possible to work with these child objects. However, in some applications that have complex sizes, the native JavaScript array is the commonly used enumerable.
It is necessary for the users to define the class by calling its create method otherwise they will be runtime errors on the screen.
When an application starts, this is the default template from where it is operated. Users need to put a Header, footer, and any other decorative item that is required to be displayed on the page.
It is generally used to create objects which contain properties, as well as functions that can be shared between other classes. Sometimes they can also be shared among instances. The behavior of the objects can easily be compared and understood by the developers through this.
It is used for the purpose of tracking Array operations. In case users need to compute the indexes of items in an array upon shifting, it is more useful in a situation like this.
Sometimes an object contains the application of a framework. Defining the same object is a daunting job because it cannot be directly accessed. For this purpose, Ember namespace can be used.
It is useful when it comes to using a JavaScript Object Notion. Actually, it returns the payload from the server into a machine from where it is easy for the users to read it. A very large number of attributes can be represented in a very simple manner and the good thing is there is a well-defined relation between them. With this relation, it is possible for the users to have many different ways to understand and eliminate the bugs in the code.
This condition is reached when the array proxies complete their task.
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Kirandeep is a Technophile & Cybernaut who loves to learn and write on various emerging technologies like Data Science, Machine Learning, Cyber Security, Artificial Intelligence, Java, SQL, Digital Marketing, and so on. When she is not writing anything, you can find her playing mobile games, cooking, or surfing about technology trends. She is a music lover! Linkedin