security features in angular code example

Example 1: angular sanitize vs validators

this.myForm = new FormGroup({
    firstName: new FormControl('Josh'),
    lastName: new FormControl('Morony')
});

Example 2: angular sanitize vs validators

this.myControl = new FormControl('value', *validation function goes here*, *asynchronous validation function goes here*);

Example 3: angular sanitize vs validators

this.slideOneForm = formBuilder.group({
    firstName: ['', Validators.compose([Validators.maxLength(30), Validators.pattern('[a-zA-Z ]*'), Validators.required])],
    lastName: ['', Validators.compose([Validators.maxLength(30), Validators.pattern('[a-zA-Z ]*'), Validators.required])],
    age: ['', AgeValidator.isValid]
});