JavaScript

How do you add an element to the end of an array?

• You can add an element to the end of an array using the alt() method.

• You can add an element to the end of an array using the get() method.

• You can add an element to the end of an array using the push() method.

• You can add an element to the end of an array using the array() method.

What is the correct syntax for a JavaScript array?

• "array = {}",

• "array = []",

• "array = ()",

• "array = <>"

Which operator is used to compare both value and type in JavaScript?

• ==

• <=

• >=

• ===

What is the result of the following expression: '2' + 2 ?

• 22

• 4

• NaN

• TypeError

Which method is used to remove the last element from an array in JavaScript?

• shift()

• unshift()

• push()

• pop()

What does the 'typeof' operator in JavaScript return for an array?

• array

• object

• array

• undefined

What is the output of the following code snippet? console.log(2 + '2' - 1);

• 22

• 11

• 21

• 23

Which method is used to find the index of the first occurrence of a value in an array?

• searchIndex()

• findIndex()

• indexOf()

• firstIndexOf()

Which method is used to remove an element at a specific index from an array in JavaScript?

• splice()

• slice()

• remove()

• delete()

Which operator is used to concatenate strings in JavaScript?

• *

• /

• +

• -