JavaScript Question 17 (1 point) In the code that follows, window is a/an window

Question

JavaScript

Question 17 (1 point)

In the code that follows, window is a/an
window.prompt("Enter your name");

object

method

keyword

Parameter

Question 18 (1 point)

In a web browser, the object that’s always available to JavaScript so you don’t have to code its name when you call one of its methods is

the window object

the document object

the HTML object

the browser object

Question 19 (1 point)

To display string or numeric data in a dialog box, use the

JavaScript print() method

JavaScript write() method

JavaScript prompt() method

JavaScript alert() method

Question 20 (1 point)

To allow a user to enter a value into a dialog box, use the

JavaScript print() method

JavaScript write() method

JavaScript prompt() method

JavaScript alert() method

Save

Question 21 (1 point)

Data or attributes that are associated with an object are its

methods

location

properties

operators

Save

Question 22 (1 point)

Assume userName equals “Tom” and userAge equals 22. What is displayed in a dialog box when the following statement is executed?
alert(userAge + " is " + userName + "'s age.");

22 is Tom's age.

22
is Tom's age.

22 is Tom's age.

22
is Tom's age.

uestion 23 (1 point)

Code Example 2-1
1. var myAge, newAge;
2. myAge = prompt("How old are you?");
3. myAge = parseInt(myAge);
4. newAge = 18 - myAge;
5. alert("You will be eligible to vote in " + newAge + " years");

(Refer to Code Example 2-1) What type of data is stored in myAge after line 2 is executed?

string data

integer data

numeric data

it is undefined

Question 24 (1 point)

Code Example 2-1
1. var myAge, newAge;
2. myAge = prompt("How old are you?");
3. myAge = parseInt(myAge);
4. newAge = 18 - myAge;
5. alert("You will be eligible to vote in " + newAge + " years");

(Refer to Code Example 2-1) What would be returned if the user entered “fifteen” at the prompt?

You will be eligible to vote in undefined years

You will be eligible to vote in NaN years

You will be eligible to vote in years

nothing, the program would not run

Question 25 (1 point)

Code Example 2-1
1. var myAge, newAge;
2. myAge = prompt("How old are you?");
3. myAge = parseInt(myAge);
4. newAge = 18 - myAge;
5. alert("You will be eligible to vote in " + newAge + " years");

(Refer to Code Example 2-1) What would be returned if the user entered 14.78 at the prompt?

You will be eligible to vote in 3 years

You will be eligible to vote in 4 years

You will be eligible to vote in 3.22 years

nothing, 14.78 is not an integer

Question 26 (1 point)

To write a string to a document, use

the write() or writeln() method

the prompt() method

the alert() method

all of these can be used

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Question 27 (1 point)

Which code would result in the same output as the following?
document.write("Welcome, my friend!<br>Glad you are here.");

document.writeln("<pre>Welcome, my friend!");
document.writeln("Glad you are here.</pre>");

document.writeln("<pre>Welcome, my friend! Glad you are here.</pre>");

document.writeln("Welcome, my friend!");
document.writeln("Glad you are here.");

document.writeln("<pre>Welcome, my friend!<br>Glad you are here.</pre>");

object

method

keyword

Parameter

Question 18 (1 point)

In a web browser, the object that’s always available to JavaScript so you don’t have to code its name when you call one of its methods is

the window object

the document object

the HTML object

the browser object

Question 19 (1 point)

To display string or numeric data in a dialog box, use the

JavaScript print() method

JavaScript write() method

JavaScript prompt() method

JavaScript alert() method

Question 20 (1 point)

To allow a user to enter a value into a dialog box, use the

JavaScript print() method

JavaScript write() method

JavaScript prompt() method

JavaScript alert() method

Save

Explanation / Answer

According to chegg guidelines i have to solve first four questions only but i solve five.

17.

18.

19.

Option c

20.

Option b

21.

Option a

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