What is directive in AngularJS with example?
Table of Contents
What is directive in AngularJS with example?
AngularJS Directives
| Directive | Description |
|---|---|
| ng-bind | Replaces the value of HTML control with the value of specified AngularJS expression. |
| ng-repeat | Repeats HTML template once per each item in the specified collection. |
| ng-show | Display HTML element based on the value of the specified expression. |
Why do we use directives in AngularJS?
AngularJS directives allow us to literally “direct” AngularJS to associate user-defined behaviors with a DOM element – giving great flexibility in creating and using custom elements in Web applications.
What are angular directives used for?
Angular directives are used to extend the power of the HTML by giving it new syntax. Each directive has a name — either one from the Angular predefined like ng-repeat , or a custom one which can be called anything. And each directive determines where it can be used: in an element , attribute , class or comment .
How many types of directives are there in AngularJS?
Types of Directive in AngularJS There are two types of AngularJs directives: Built-in directive.
How do you write a directive?
The rules for effective directive writing are below.
- Provide Clear Instructions. Once you have a clear idea of what you want to achieve – write it clearly.
- Be Concise and to the Point.
- Create Your Plan Step-by-Step.
- One Issue Per Directive.
- When in Doubt, Refer to Your Previous Directives.
- Use Exact Numbers.
What is the directive in Angular?
Directives are classes that add additional behavior to elements in your Angular applications. Use Angular’s built-in directives to manage forms, lists, styles, and what users see. Structural directives—directives that change the DOM layout by adding and removing DOM elements.
Why do we need directive?
Directive Principles of State Policy aim to create social and economic conditions under which the citizens can lead a good life. They also aim to establish social and economic democracy through a welfare state.
What is the directive in angular?
What is a directive in angular 8?
Angular 8 directives are DOM elements to interact with your application. Generally, directive is a TypeScript function. When this function executes Angular compiler checked it inside DOM element. Angular directives begin with ng- where ng stands for Angular and extends HTML tags with @directive decorator.
What is an example of a directive?
A directive is defined as an order or an official instruction. When your boss orders you to call a client, this is an example of a directive.