JavaScript Question 22 (1 point) What is the value of the num_colors variable? v

Question

JavaScript

Question 22 (1 point)

What is the value of the num_colors variable?
var colors = ["red","blue","orange","yellow","green","brown","purple"];
num_colors = colors.length

Question 22 options:

6

7

8

NaN

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Question 23 (1 point)

What is the value of the totalsString variable after the following code is executed?
var totals = [141.95, 212.95, 411, 10.95];
totals[2] = 312.95;
var totalsString = "";
for (var i = 0; i < totals.length; i++) {
    totalsString += totals[i] + "|";
}

Question 23 options:

141.95|212.95|411|10.95|

141.95|212.95|312.95|10.95|

141.95|212.95|411|312.95|

10.95|

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Question 24 (1 point)

What is the value of the average variable after the following code is executed?
var sum = 0;
var prices = [14, 10, 9, 12, 11, 14, 10, 8];
for( var i = 0; i < prices.length; i++ )      {
      sum = sum + prices[i];
}
var average = sum/prices.length;

Question 24 options:

7.27

6.72

8

11

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6

7

8

NaN

Explanation / Answer

(*) Please provide a suitable feedback for the answer.

Answers:

Question 22 : If you take in consideration that there is no termination symbol at the end of the assignment operation in the code then the code will generate a syntax error but if you don't then the value of num_colors variable will be 7

Question 23 : 141.95|212.95|312.95|10.95|

Question 24 : 11

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