To do this, we will cover concepts from the Directive API, HostListener API, and RxJS.įirst, we need to create our Directive class and register it to our . Angular 2 KeyDown Event Textbox Examples Anil Singh 9:02 PM Angular 2 KeyDown Event. For our use case, we want to debounce or delay click events from occurring when an element is a click.
The Directive API is a particular way to add behavior to existing DOM elements or components. You can implement it with angular2-hotkeys slavafomin commented on edited I have the following code: And I've intuitively tried to use: (change, keyup) hoping it would work.These two lines prevent the click event from bubbling up to the parent component. With the click event we can call event.preventDefault () and event.stopPropagation (). In the template HTML, add an Input control with a (keypress) event handler to call the keyPressNumbers(). The second parameter event allows us to tell Angular to pass in the click event to our Directive method clickEvent (event). This directive is used to help prevent duplicate actions. 2) Allow Only Numbers 9.8 with Decimal (.). This directive will handle denouncing multiple click events over a specified amount of time. In this post, we will cover the Angular Directive API to create our custom debounce click directive.
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