Defining Angular Directives

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by Abdul Rawoof A R dot icon Updated: Jan 5, 2024

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Directives are classes that add new behavior to the template's elements. They can also change any existing behavior. 

Directives maneuver the DOM by adding, removing, or changing DOM elements. Their purpose is to change the appearance of the DOM.  

There are three directives in Angular.  

  • Component Directives.  
  • Structural Directives.  
  • Attribute Directives.  

Following are the ways to install custom directives in AngularJS:  

  1. Element directives. When the HTML template finds a matching HTML element, it activates. 
  2. Attribute directives. When the template finds a matching HTML attribute, it activates.  
  3. CSS Class Directives.  
  4. Comment directives. 

Here is an example of how to define angular directives:

Fig: Preview of the output that you will get on running this code from your IDE.



Follow the steps carefully to get the output easily.

  1. Install Visual Studio Code on your computer.
  2. Create a new HTML file.
  3. Create HTML and body tag then paste the div tag, and then copy the first 10 lines of code and paste it inside the script tag.
  4. Save and run the HTML file directly from the file location.

I hope you found this helpful.

I found this code snippet by searching for 'defining angular directives' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created and tested in Visual Studio Code 1.74.1.

Using this solution, we are able to define angular directives with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to define angular directives.


1. What is an Angular directive? 

Angular directives are markers on a DOM element. They tell AngularJS to attach a specific behavior to that element or transform it. 


2. How do you define a directive in Angular? 

You can define directives using the directive method of an Angular module. This method takes two arguments: the name of the directive and a factory function. 


3. What is the role of the factory function in a directive? 

The factory function handles returning a configuration object that defines the directive's behavior. This object can include properties like restrict and link. 


4. What is the 'restrict' option in a directive? 

You can use the directive in HTML by specifying the restrict option.  

Common values are: 

  • 'E' for Element 
  • 'A' for Attribute 
  • 'C' for Class 
  • 'M' for Comment 


5. How do you use a directive in HTML? 

Once you define a directive, you can use it in HTML by either the element name, attribute, class, or comment. This depends on the restrict option set for that directive.


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