angular 8 post request with parameters code example

Example 1: angular http POST params boolean

body.set('paramStringName', booleanValueYouWantToPass.toString());

Example 2: angular post request

ngOnInit() {          
     this.http.post<any>('https://reqres.in/invalid-url', { title: 'Angular POST Request Example' }).subscribe({
        next: data => {
            this.postId = data.id;
        },
        error: error => {
            this.errorMessage = error.message;
            console.error('There was an error!', error);
        }
    })
}

...

interface Article {
    id: number;
    title: string;
}