Angular 2 HostListener Keypress Detect Escape Key?


Answer :

Try it with a keydown or keyup event to capture the Esc key. In essence, you can replace document:keypress with document:keydown.escape:

@HostListener('document:keydown.escape', ['$event']) onKeydownHandler(event: KeyboardEvent) {     console.log(event); } 

It worked for me using the following code:

const ESCAPE_KEYCODE = 27;  @HostListener('document:keydown', ['$event']) onKeydownHandler(event: KeyboardEvent) {     if (event.keyCode === ESCAPE_KEYCODE) {         // ...     } } 

or in shorter way:

@HostListener('document:keydown.escape', ['$event']) onKeydownHandler(evt: KeyboardEvent) {     // ... } 

Modern approach, event.key == "Escape"

The old alternatives (.keyCode and .which) are Deprecated.

@HostListener('document:keydown', ['$event']) onKeydownHandler(event: KeyboardEvent) {     if (event.key === "Escape") {         // Do things     } } 

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