How do I create custom directives in Angular?
Creating custom directives in Angular involves defining a directive class and using the @Directive decorator. Would you like a step-by-step guide?
Yes, please provide the steps.
ng generate directive myDirective
. 2. In the generated file, use the @Directive decorator to define the selector and other properties. 3. Implement the logic in the directive class. 4. Use the directive in your templates by adding the selector as an attribute.Can you give me an example of a simple directive?
Sure! Here's a simple example:
import { Directive, ElementRef, Renderer2 } from '@angular/core';
@Directive({
selector: '[appHighlight]'
})
export class HighlightDirective {
constructor(el: ElementRef, renderer: Renderer2) {
renderer.setStyle(el.nativeElement, 'backgroundColor', 'yellow');
}
}
This directive highlights the background of an element.
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