angular 9 two day data binding value code example
Example: angular two way property binding
/* Two-Way Data Binding
- communicates data between the component and the view
(bi-directionally)
- this is acheived by using the ngModel directive
- include `import { FormsModule } from @angular/forms`
- syntax: `[(ngModel)]='some value'`
*/
import { Component } from '@angular/core';
import { FormsModule } from '@angular/forms';
@Component({
selector: 'app-example',
template: `
Enter the value: <input [(ngModel)]='val'>
<br>
Entered value is: {{val}}
`
})
export class AppComponent {
val: string = '';
}
/*
Process:
1. View communicates inputted value to AppComponent
2. AppComponent communicates the updated val to the view
via {{val}}
*/