We can select content of HTML element using element.select(). But onmouseup action the selected text by script will be deselected. So we have to disable onmouseup action.
Markup
<input (focus)="selectAllContent($event)" (mouseup)="$event.preventDefault()" value="sample value"/>
Script - app.component.ts
Observe below selectAllContent function
import { Component } from '@angular/core'; @Component({ selector: 'my-app', template: ` <h4>Focus to select text</h4> <input (focus)="selectAllContent($event)" (mouseup)="$event.preventDefault()" value="sample value"/><br> ` }) export class AppComponent { selectAllContent($event) { $event.target.select(); } }
In Angular 2, selecting the content of a textbox on focus is a common user experience enhancement. This functionality can be achieved by using event bindings and the select method, typically within a (focus) event handler. When a user clicks or tabs into the textbox, the (focus) event is triggered, allowing you to call a method that uses ViewChild to reference the textbox element and then apply the select method to highlight its content. i will do your homework small but effective feature can greatly improve user interaction and make it easier for them to modify or replace the existing text in the textbox. It's a simple yet valuable addition to your Angular application's user interface.
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