how to specify the value of our checkbox - html

Question

I want that when the user checks on checkbox, the value be "l.code" instead of a Boolean value
Here's my code
<div class="form-group">
<label>Critères : </label>
<div class="checkbox-inline" *ngFor="let l of lesCriteres; let i= index">
<label>
<input type="checkbox" [value]="l.code" [(ngModel)]="actif.lesCriteresActifs[i].critere.code">{{l.code}}
</label>
</div>
</div>
But it does not work ! when I check, it gives me "true" instead of "l.code". Thanks !

Answer 1

You can use "change" event handler with event binding on checkbox.
In html
<form>
<div *ngFor="let l of lesCriteres">
<input type="checkbox" value="l.code" (change)="onChangeEvent($event, l.code)"> {{l.code}}<br>
</div>
</form>
In ts
onChangeEvent(eventValue, valueOfCheckbox){
alert(valueOfCheckbox);
}

Answer 2

You can do something like below :
HTML:
<div *ngFor="let data of emails">
<input type="checkbox" [value]="data.email" (change)="onChange(data.email, $event.target.checked)"> {{data.email}}<br>
</div>
ts:
import { Component } from '#angular/core';
import { FormGroup, FormBuilder, FormArray, FormControl } from '#angular/forms';
#Component({
selector: 'my-app',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
name = 'Angular 6';
emailFormArray = [];
emails = [{ email: "email1" }, { email: "email2" }, { email: "email3" }, { email: 'email4' }]
myForm: FormGroup;
constructor(private fb: FormBuilder) { }
ngOnInit() {
this.myForm = this.fb.group({
useremail: this.fb.array([])
});
}
onChange(email: string, isChecked: boolean) {
if (isChecked) {
this.emailFormArray.push(email);
} else {
let index = this.emailFormArray.findIndex(x =>{
console.log(x);
return x == email
});
console.log(index)
this.emailFormArray.splice(index,1);
}
console.log(this.emailFormArray)
}
}
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