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Questions and Answers
Which directive is used for conditional rendering in Angular?
Which directive is used for conditional rendering in Angular?
- NgSwitch
- NgClass
- NgIf (correct)
- NgFor
What type of directive is NgFor in Angular?
What type of directive is NgFor in Angular?
- Event Directive
- Attribute Directive
- Component Directive
- Structural Directive (correct)
Which of the following directives allows for multiple styles to be applied conditionally?
Which of the following directives allows for multiple styles to be applied conditionally?
- NgClass
- NgStyle (correct)
- NgSwitch
- NgIf
NgClass is most commonly used for which of the following purposes?
NgClass is most commonly used for which of the following purposes?
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Which directive would you use if you need to execute different templates based on an expression's value?
Which directive would you use if you need to execute different templates based on an expression's value?
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Study Notes
Conditional Rendering in Angular
*ngIfdirective is utilized for conditional rendering in Angular applications, allowing elements to be added or removed from the DOM based on a boolean condition.
NgFor Directive Type
NgForis a structural directive in Angular, specifically designed to iterate over a collection to render a template for each item in an array or iterable.
Directive for Multiple Conditional Styles
NgClassdirective enables the application of multiple CSS class styles conditionally based on the state of an expression or object.
Common Use of NgClass
NgClassis predominantly used for dynamically applying or removing class names to elements based on component logic, enhancing UI with conditional styling.
Directive for Executing Different Templates
NgSwitchdirective should be used when different templates need to be executed based on the value of an expression, allowing for more complex conditional rendering scenarios.
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Description
Test your knowledge on Angular directives with this quiz. You'll explore structural and attribute directives including ngIf, ngFor, ngSwitch, ngClass, and ngStyle. Answer questions about their usage and purposes within Angular applications.
