JavaScript C13 Question 11 (1 point) Which parameters are required when you call

Question

JavaScript C13

Question 11 (1 point)

Which parameters are required when you call the Date constructor with number parameters?

Question 11 options:

the year and month

the year, month, and day

the year, month, day, and hours

the year, month, day, hours, and minutes

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Question 12 (1 point)

What method of the Date object gets the day of the month in local time?

Question 12 options:

the getMonth() method

the getDate() method

the getDay() method

the getDayOfMonth() method

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Question 13 (1 point)

What does the getMonth() method of the Date object return?

Question 13 options:

An integer value for the month, starting with 1 for January, 2 for February, etc.

An integer value for the month, starting with 0 for January, 1 for February, etc.

A string value for the short month name.

A string value for the full month name.

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Question 14 (1 point)

What is the value of salesTax after the following code executes?
var salesTax = 53.937;
salesTax = parseFloat( salesTax.toFixed(2) );

Question 14 options:

NaN

53.937

53.94

53.93

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Question 15 (1 point)

Which of the following statements performs a case-insensitive comparison of the strings named text1 and text2?

Question 15 options:

text1 = text2

text1 == text2

text1.toLowerCase() = text2.toLowerCase()

text1.toLowerCase() == text2.toLowerCase()

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Question 16 (1 point)

Given a Date object named due_date, which of the following statements sets the month to February?

Question 16 options:

due_date.setMonth(1);

due_date.setMonth(2);

due_date.setMonth("Feb");

due_date.setMonth("February");

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Question 17 (1 point)

What text does the following code display in the dialog box?
var investment = "$100";
if ( isNaN(investment) || investment <= 0 ) {
    alert("Investment is not valid.");
} else {
    alert("Investment: " + investment.toFixed(2));
}

Question 17 options:

Investment is not valid.

Investment: $100

Investment: $100.00

Investment: 100.00

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Question 18 (1 point)

What is the value of random after the following code executes?
var random = Math.floor(Math.random() * 10);
random = random + 1;

Question 18 options:

An integer between 0 and 10

An integer between 1 and 10

A decimal between 0.0 and 10.0

A decimal between 1.0 and 10.0

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Question 19 (1 point)

Which of the following statements adds 21 days to the date in the dueDate variable below?
var dueDate = new Date();

Question 19 options:

dueDate = dueDate + 21;

dueDate = dueDate.getDate() + 21;

dueDate.setDate(21);

dueDate.setDate( dueDate.getDate() + 21 );

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Question 20 (1 point)

What do you need to do to determine how many days there are between the dates in the two variables below?
var taxDay = new Date("4/15/2017");
var xmas = new Date("12/25/2017");

Question 20 options:

Subtract the value returned by taxDay.getDate() from the value returned by xmas.getDate().

Subtract the value returned by taxDay.getDay() from the value returned by xmas.getDay().

Subtract the value returned by taxDay.getTime() from the value returned by xmas.getTime(), then divide that value by 86400000 to convert it from milliseconds to days.

Subtract the value in the taxDay variable from the value in the xmas variable.

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the year and month

the year, month, and day

the year, month, day, and hours

the year, month, day, hours, and minutes

Explanation / Answer

11.the year, month, day, hours, and minutes

12.the getMonth() method

13.An integer value for the month, starting with 0 for January, 1 for February, etc

14. 53.94

15.text1 == text2

16.due_date.setMonth(1);

17. Investment is not valid.

18.An integer between 1 and 10

19.due date.setDate(dueDate.getDate()+21);

20.Subtract the value returned by taxDay.getTime() from the value returned by xmas.getTime(), then divide that value by 86400000 to convert it from milliseconds to days.

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