Solution Developer Interview Questions and Answers

Functions are reusable blocks of code that return a value, while actions are specific tasks that do not return a value.

• Functions are designed to perform a specific task and return a value, while actions are typically used to trigger events or perform tasks without returning a value.

• Functions can be called multiple times with different inputs to produce different outputs, while actions are usually executed once to perform a specific task.

• Examples of functions include calculati...read more

The command used to check the current directory is 'pwd'.

• Use the 'pwd' command in the terminal to display the current working directory.

• It stands for 'print working directory'.

• Example: $ pwd

Use a Set to remove duplicate values from an array of strings.

• Create a Set from the array to automatically remove duplicates

• Convert the Set back to an array if needed

• Example: ['apple', 'banana', 'apple', 'orange'] -> ['apple', 'banana', 'orange']

Functional components are stateless and use functional programming concepts, while class components are stateful and use ES6 classes.

• Functional components are simpler and easier to read/write compared to class components.

• Functional components do not have access to 'this' keyword, while class components do.

• Functional components are pure functions, while class components can have lifecycle methods.

• Example: Functional component - const MyComponent = () => { return

  Hello World
  ; }...read more

Find the 2nd largest element in an array of strings.

• Convert the strings to integers for comparison.

• Sort the array in descending order.

• Return the element at index 1 as the 2nd largest.

Use a Set to remove duplicates from an array of strings.

• Create a Set from the array to automatically remove duplicates

• Convert the Set back to an array to get the unique values