JavaScript

You are designing a web page with a script that must dynamically change the content of a paragraph element to display the value returned by the function

randomQuote().

You have created the following code. Line numbers are included for reference only.

• A. document.getElementById("tester").value = randomQuote();

• B.   document.getElementById("tester").title = randomQuote();

• C.   document.getElementById("tester").innerHTML = randomQuote();

• D.   document.getElementById("tester").script = randomQuote();

You are creating a dynamic HTML page by using JavaScript.

 

Your page has an image of the sun. When the user’s mouse pointer moves across the image of the sun, the image should change to the image of the moon. When the user’s mouse pointer is no longer over the image should change back to the image of the sun.

 

You need to write the code for the image swap.

 

Which two events must you program for? (Choose two.)

• onmouseup

• onmouseout

• A.   onmosedown

• A.   onmouseover

• onmouseenter

You reveiw the following code
var x = 15;

x %=5;

When this code executes, the value of x is 0.
Review the underlined text. If it makes the statement correct, select “No change is needed”. If the statement is incorrect, select the answer choice that makes the statement correct.

• No change is need

• the value of x is 3

• The value of x is 5

• The value of x is undefined

when using a GET request using a form the data length is restricted.

• True

• False

You work as a JavaScript developer for Adventure Works. You are writing a simple script that performs the following actions:
-> Declares and initializes an array
-> Fills the array with 10 random integers
-> Adds every other number starting with the first element
How should you complete the code? (part 1)

var numbers = ___

• {}

• []

• ""

• ()

You work as a JavaScript developer for Adventure Works. You are writing a simple script that performs the following actions:
-> Declares and initializes an array
-> Fills the array with 10 random integers
-> Adds every other number starting with the first element
How should you complete the code?(Part 2 )

for (var i = 0; i < 10; i++){

numbers.___(Math.round(Math.abs(Math.random()*10)));

}

var sum=0;

• splice

• push

• pop

• sort

You work as a JavaScript developer for Adventure Works. You are writing a simple script that performs the following actions:
-> Declares and initializes an array
-> Fills the array with 10 random integers
-> Adds every other number starting with the first element
How should you complete the code?(Part 3 )

for (var j=0; j<10; ___){

• J++

• j+1

• j++

• J+1

You work as a JavaScript developer for Adventure Works. You are writing a simple script that performs the following actions:
-> Declares and initializes an array
-> Fills the array with 10 random integers
-> Adds every other number starting with the first element
How should you complete the code?(Part 4)

sum += ____;

}

console.log(sum)

• number[j]

• sum[j]

• number[i]

• array[j]

var flight_destination = "Germany"

what datatype is the above statement?

(a)  

var roundTrip = 2335.234

what datatype is roundTrip ?

(a)