Question: he index value of the first element in a JavaScript array is ____________. Question 2 options: Question 3 (10 points) The condition for a while
he index value of the first element in a JavaScript array is ____________.
Question 2 options:
Question 3 (10 points)
The condition for a while loop is tested __________________ the statements in the loop are executed.
Question 3 options:
Question 4 (10 points)
Which of the following is a valid statement for declaring and initializing a variable named length to a starting value of 120?
Question 4 options:
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| a) | int length = 120; |
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| b) | num length = 120; |
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| c) | length = 120; |
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| d) | var length = 120; |
Question 5 (10 points)
In a simple assignment statement, you use the _____________________ operator.
Question 5 options:
Question 6 (10 points)
Code example 2-1 var totals = []; totals[0] = 141.95; totals[1] = 212.95; totals[2] = 411; totals[3] = 10.95;
(Refer to code example 2-1) What will the value of totals.length be after this code is executed?
Question 6 options:
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| a) | 3 |
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| b) | 2 |
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| c) | 4 |
Question 7 (10 points)
In the code that follows, prompt is a/an ____________________________. window.prompt("Enter your name");
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Question 8 (10 points)
If an arithmetic expression isnt evaluated the way you want it to be due to the order of precedence, you can override that order by using ____________________.
Question 8 options:
Question 9 (10 points)
To get the contents of a text box on a form, you use the _____________________ property of a Textbox object.
Question 9 options:
Question 10 (10 points)
Saved
After the statements that follow are executed, guest contains var guest = "Ray Harris"; var quest = guest.substr(0,3).toUpperCase();
Question 10 options:
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| a) | "RAY" |
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| b) | "Ray Harris" |
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| c) | "Ray" |
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| d) | "RAY Harris" |
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