Error: If ngModel is used within a form tag, either the name attribute must be set or the form control must be defined as 'standalone' in ngModelOptions code example

Example: Error: If ngModel is used within a form tag, either the name attribute must be set or the form control must be defined as 'standalone' in ngModelOptions.

// If form is used, all the input fields which have [(ngModel)]="" must have 
// an attribute name with a value.