Array.push, pop, unshift, shift

Question 1

The________ method adds one or more elements to the end of an array and returns the new length of the array.

Answer 1

push()

Question 2

var animals = [‘pigs’, ‘goats’, ‘sheep’];

console.log(animals.push('cows'));
// expected output: 

console.log(animals);
// expected output:

Answer 2

4

Array [“pigs”, “goats”, “sheep”, “cows”]

Question 3

both elements that add to array

Answer 3

push , unshift

Question 4

The___________method removes the last element from an array and returns that element. This method changes the length of the array.

Answer 4

pop()

Question 5

var plants = [‘broccoli’, ‘cauliflower’, ‘cabbage’, ‘kale’, ‘tomato’];

console.log(\_\_\_\_\_\_\_\_\_);
// expected output: "tomato"

Answer 5

plants.pop()

Question 6

var plants = [‘broccoli’, ‘cauliflower’, ‘cabbage’, ‘kale’, ‘tomato’];

console. log(plants.pop());
console. log(plants);

Answer 6

// expected output: “tomato”

// expected output: Array [“broccoli”, “cauliflower”, “cabbage”, “kale”]

Question 7

var array1 = [1, 2, 3];

console. log(array1.pop());
console. log(array1);

Answer 7

3

[1,2]

Question 8

The _________method adds one or more elements to the beginning of an array and returns the new length of the array.

Answer 8

unshift()

Question 9

var array1 = [1, 2, 3];

console.log(array1.unshift(4, 5));
// expected output:

Answer 9

5 returns length

Question 10

The ___________ method removes the first element from an array and returns that removed element. This method changes the length of the array.

Answer 10

shift()

Question 11

var array1 = [1, 2, 3];

var firstElement = _________

console.log(array1);
// expected output: Array [2, 3]

console.log(firstElement);
// expected output: 1

Answer 11

array1.shift();

Question 12

shift()

Answer 12

The shift() method removes the first element from an array and returns that removed element. This method changes the length of the array.

Question 13

The orderQueue array contains a list of customer orders. Create a new variable named shipping – remove the first item from the array and place it in the shipping variable

var orderQueue = ['1XT567437','1U7857317','1I9222528'];
var shipping =

Answer 13

orderQueue.shift();

Question 14

The _________ method removes the first element from an array and returns that removed element. This method changes the length of the array.

Answer 14

shift()

Question 15

var array1 = [1, 2, 3];

var firstElement = array1.shift();

console.log(array1);
// expected output: 

console.log(firstElement);
// expected output:

Answer 15

Array [2, 3]

1