JavaScript

Question 1

array.unshift

Answer 1

Adds one or more elements to the beginning of the array, and returns the length of the array.

Question 2

array.shift

Answer 2

Removes the first element of the array and returns that element

Question 3

array.push

Answer 3

Add item to end of array, and returns length of the array.

Question 4

array.pop

Answer 4

Removes and returns the last object in the array.

Question 5

Expression

Answer 5

An expression resolves to a value and can be written wherever a value is expected.

Question 6

Statement

Answer 6

A statement performs an action.

Question 7

Generator

Answer 7

A generator returns an iterator object, that can be used in a for loop. You use ‘yield’ where you want to return a value to the iterating loop, and when the generator is called again, it picks up right after the last yield.

Question 8

Algorithm

Answer 8

A sequence of well defined steps that can be executed mechanically. It is guaranteed to finish and produce a correct result.