CtrlS Interview Questions and Answers

There are two types of forms in Angular: Template-driven forms and Reactive forms. Form Array is used in Reactive forms to manage arrays of form controls.

• Template-driven forms are created using ngModel directive in the template

• Reactive forms are created programmatically using form controls and form groups

• Form Array is used to manage arrays of form controls in Reactive forms, allowing dynamic addition and removal of form controls

PHP is a server-side scripting language used for web development. ord() is a function to get ASCII value of a character. Artisan is a command-line tool in Laravel framework. Polymorphism is a concept in object-oriented programming.

• PHP is a popular server-side scripting language for web development

• ord() is a PHP function used to get the ASCII value of a character

• Artisan is a command-line tool in Laravel framework for tasks like database migrations and seeding

• Polymorphism is a ...read more

FormGroup is a class that tracks the value and validity state of a group of FormControl instances. Form builder is a service that provides a syntactic sugar API for creating instances of FormGroup and FormControl.

• FormGroup is used to group related form controls together.

• FormBuilder simplifies the process of creating instances of FormGroup and FormControl.

• FormGroup tracks the value and validity state of a group of FormControl instances.

• FormBuilder provides a syntactic sugar AP...read more

Interfaces in Laravel projects help in achieving abstraction, flexibility, and code reusability.

• Interfaces allow for defining a contract that classes must implement, ensuring consistency and enforcing specific methods.

• Interfaces help in achieving polymorphism, allowing different classes to be used interchangeably.

• Interfaces promote code reusability by allowing multiple classes to implement the same interface.

• Interfaces make code more flexible and maintainable by decoupling im...read more

Dependency injection is a design pattern where components are provided with their dependencies rather than creating them internally.

• Allows for better code reusability and testability

• Reduces coupling between components

• Promotes separation of concerns

• Examples: Constructor injection, Setter injection

foreach is used to iterate over elements in an array, while for is used for general looping.

• foreach is specifically designed for iterating over arrays, while for can be used for any type of looping.

• foreach automatically assigns the value of the current element to a variable, while for requires manual indexing.

• foreach is more concise and easier to read for array iteration, while for may be more suitable for complex looping logic.