Convergint Technologies Service Engineer Interview Questions and Answers for Experienced

Angular is a front-end web application framework that allows developers to build dynamic single-page applications.

• Angular uses TypeScript for building applications.

• It follows the MVC (Model-View-Controller) architecture.

• Angular provides two-way data binding, which means changes in the model are automatically reflected in the view and vice versa.

• It uses directives to extend HTML with new attributes and tags.

• Angular has ...read more

Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.

• In JavaScript, variable and function declarations are hoisted to the top of their scope.

• This means that you can use a variable or function before it is declared.

• However, only the declarations are hoisted, not the initializations.

Temporal dead zone is the period between entering scope and being able to access a variable.

• Occurs when trying to access a variable before it has been declared

• Caused by hoisting in JavaScript

• Results in a ReferenceError

• Example: const x = 10; console.log(x); // ReferenceError: Cannot access 'x' before initialization