Java Script

What is the correct keyword to define a function in JavaScript?

• func

• local

• function

• def

What are the two main types of scope in JavaScript?

• Public and Private

• Global and Local

• Static and Dynamic

• Open and Closed

Which method is used to find the length of an array or string in JavaScript?

• pop()

• push()

• length

• reverse()

Which of the following events is triggered when an element is clicked?

• onclick

• onmouseover

• onkeydown

• onchange

Which syntax is used to change the text color of an element with id="title" in JavaScript?

• document.getElementById("title").color = "red";

• document.getElementById("title").style.textColor = "red";

• document.getElementById("title").style.color = "red";

• document.style("title").color = "red";

Which operator checks both value and type for equality in JavaScript?

• =

• ==

• ===

• ====

What is the purpose of the Math object in JavaScript?

• To perform mathematical tasks without creating an instance

• To store user data

• To manipulate strings

Which JavaScript method can be used to remove the last element from an array?

• pop()

• push()

• shift()

• reverse()

What is the main purpose of the Document Object Model (DOM) in JavaScript?

• To store data in a database

• To interact with and manipulate HTML elements

• To define global variables

• To execute JavaScript outside the browser

Which method can be used to generate a random number between 0 and 1 in JavaScript?

• Math.floor()

• Math.random()

• Math.round()

• Math.abs()