R Systems International Project Lead Interview Questions, Process, and Tips

Lazy loading defers loading of non-critical resources until needed, while eager loading loads all resources upfront.

• Lazy loading improves page load time and reduces server load.

• Eager loading is useful for small datasets or when all data is needed upfront.

• Lazy loading is commonly used for images, videos, and other large files.

• Eager loading is commonly used for small datasets like dropdown menus or navigation bars.

Templates are pre-designed formats while directives are instructions for specific actions.

• Templates are used for consistency and efficiency in design and formatting.

• Directives provide specific instructions for actions to be taken.

• Templates are often used in graphic design and web development.

• Directives are commonly used in programming languages like AngularJS.

• Templates can be modified to fit specific needs while direct

Promises and Observables are both used for handling asynchronous operations in JavaScript.

• Promises are used for handling a single asynchronous operation and can have only one eventual value.

• Observables are used for handling multiple asynchronous operations and can have multiple values over time.

• Promises are eager and start executing as soon as they are created, while Observables are lazy and only start executing when s...read more