angular-docs-cn/packages/examples/common/pipes/ts/lowerupper_pipe.ts

26 lines
704 B
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Component} from '@angular/core';
// #docregion LowerUpperPipe
@Component({
selector: 'lowerupper-pipe',
template: `<div>
<label>Name: </label><input #name (keyup)="change(name.value)" type="text">
<p>In lowercase: <pre>'{{value | lowercase}}'</pre>
<p>In uppercase: <pre>'{{value | uppercase}}'</pre>
</div>`
})
export class LowerUpperPipeComponent {
// TODO(issue/24571): remove '!'.
value !: string;
change(value: string) { this.value = value; }
}
// #enddocregion