Created
November 25, 2019 12:10
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TypeScript And .parentNode vs .parentElement In Angular 9.0.0-rc.3
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@Component({ | |
selector: "app-root", | |
styleUrls: [ "./app.component.less" ], | |
template: | |
` | |
<div class="foo"> | |
<div class="bar"> | |
<div class="baz"> | |
<p> | |
<a (click)="handleClick( $event.target )">Find .bar</a> | |
</p> | |
</div> | |
</div> | |
</div> | |
` | |
}) | |
export class AppComponent { | |
public handleClick( target: HTMLElement ) : void { | |
var barElement: HTMLElement | null = target; | |
// Continue walking up the DOM Tree until we find ".bar". | |
while ( barElement && ! barElement.classList.contains( "bar" ) ) { | |
barElement = barElement.parentNode; | |
} | |
console.log( "FOUND .bar !!" ); | |
console.log( barElement ); | |
} | |
} |
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public handleClick( target: HTMLElement ) : void { | |
var barElement: HTMLElement | null = target; | |
while ( barElement && ! barElement.classList.contains( "bar" ) ) { | |
barElement = ( barElement.parentNode as HTMLElement ); | |
} | |
console.log( "FOUND .bar !!" ); | |
console.log( barElement ); | |
} |
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public handleClick( target: HTMLElement ) : void { | |
var barElement: HTMLElement | null = target; | |
while ( barElement && ! barElement.classList.contains( "bar" ) ) { | |
barElement = barElement.parentElement; | |
} | |
console.log( "FOUND .bar !!" ); | |
console.log( barElement ); | |
} |
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