Dojo Interview Questions (2024)
What is Dojo?
What is dojo/html?
How Dojo handle Ajax request?
How to use/install Dojo?
What is Dojo connect?
What is Dojo Dijit?
What is Dojo DojoX?
What is nesting in Dojo?
When to use Dojo?
What is dojox/charting Dojo?
Q: What is Dojo?
Ans:
An open-source, modular JavaScript library called Dojo Toolkit was created to make it easier to create cross-platform, JavaScript/Ajax-based applications and websites quickly.
Q: What is dojo/html?
Ans:
set() is the only public function offered by the dojo/html module.
While offering several hooks
and options as to how the replacement should be handled, it is used to simply and efficiently
change an element's content.
Q: How Dojo handle Ajax request?
Ans:
Without having to reload the page, dojo/request enables you to send
and receive
data to and from the server (called as AJAX). This features make the execution of code
incredibly quick and make the code more concise.
Q: How to use/install Dojo?
Ans:
Use Dojo from the Google CDN or the Content Distribution Network (CDN) of AOL.
OR
Get the most recent build from dojo downloads.
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Q: What is Dojo connect?
Ans:
The main event handling and delegation technique in Dojo is called dojo.connect.
By using a single method to handle both custom functions and DOM events, we may link one
function to execute when another happens. A function can have numerous listeners linked to it,
and its source functions can either be standard function calls or DOM events.
dojo.connect(obj, event, context, method, dontFix);
Q: What is Dojo Dijit?
Ans:
The UI Library for Dojo is called Dijit, and it has its own namespace.
A widget system called Dijit is placed on top of Dojo. In Dojo Toolkit called
dojo/dijit; widget, form handling,
and layout-related libraries are all included in the package.
Q: What is Dojo DojoX?
Ans:
Dojo Toolkit's historical development space is now known as dojox, a meta-package containing other packages. The full spectrum of JavaScript technology is covered by its packages. The directions that the modules and sub-packages have taken throughout time have been radically diverse. Some of the code is really advanced, some of it is experimental, and some of it has effectively been left behind. The Dojo Toolkit core is required by all of the packages, and some also call for the widget library dijit.
Q: What is nesting in Dojo?
Ans:
We can nest components inside other components in Dojo. This indicates that Dojo allows us to organize elements in a variety of modular ways.
Q: When to use Dojo?
Ans:
Here are some examples of applications where we could use Dojo.
- Helps making your code maintainable and speedy.
- Asynchronous module definition (AMD) loaders are provided by Dojo.
- Dojo offers class-like inheritance and "mixins" to make it simple to modify pre-existing classes, share functionality among several classes, and increase code reuse.
- For the creation of sophisticated and customized user interfaces, rich vector graphics, light-weight grids and tables that work well on mobile devices, etc.
Q: What is dojox/charting Dojo?
Ans:
Strong data visualization and dynamic charting, including a range of 2D plots and animated
charting features, are supported by the dojox/charting package.