JAVASCRIPT

Check angular js , How to set selected values in dropdown

<select aria-label="ngSelected demo">
  <option>Hello!</option>
  <option id="greet" ng-selected="'name'='name'">Greetings!</option>
</select>

angular dropdown selected value

  //event handler for the select element's change event
  selectChangeHandler (event: any) {
    //update the ui
    this.selectedDay = event.target.value;
  }

preselect a value in angular dropdown

import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
 title = 'my-app';


  prtl = {
    "name": "Stock Market",
    "id": 10,
    "category": {
       "id": "2",
       "name": "Football"
    }
  };

  categories = [
    {
     "id": "1",
     "name": "Cricket"
    },
    {
     "id": "2",
     "name": "Football"
    }
  ];
  categoryToSelect = this.prtl.category;
}