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LSU ISDS 3105 Final Exam- Questions and Answers
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LSU ISDS 3105 Final Exam- Questions and Answers
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LSU ISDS 3105 Final Exam- Questions and AnswersA _____ is a named item in a program that stores a data value, such as a number or text
string, or an object, such as a part of the web browser or browser window. CORRECT ANS-
variable
The _____ attribute can be applied to the script element to ensure that an object can be
referenced within a JavaScript program that runs only after the page has completed loading.
CORRECT ANS-defer
_____ programming distributes the load to prevent a server from getting overloaded with
program-related requests. CORRECT ANS-Client-side
A user can create an embedded script by removing the _____ attribute and placing all of the
JavaScript code within the script element. CORRECT ANS-src
Identify the general structure for accessing each value from an array using for loop.
CORRECT ANS-for (var i = 0; i < array.length; i++) { commands involving array [i] }
What is the output of the following code?
for (var i = 0; i <= 360; i+=60) CORRECT ANS-i = 0, 60, 120, 180, 240, 360
identify the expression used to reference array values. CORRECT ANS-array [i]
, LSU ISDS 3105 Final Exam- Questions and Answers
Identify the general structure of a for loop. CORRECT ANS-for (start; continue; update)
{
commands
}
Identify the structure of an if statement. CORRECT ANS-if (condition) {
commands
}
Which of the following determines the current size of an array? CORRECT ANS-array.length
Which of the following examples tests whether x is equal to 5 or y is equal to 8? CORRECT
ANS-(x === 5) II (y === 8)
Identify a method that is used to create a subarray CORRECT ANS-slice()
Which of the following statements is used to terminate any program loop or conditional
statement? CORRECT ANS-break
For array data that should be treated as a queue, the _________ method is used, which is
similar to the pop() method except that it removes the first array item and not the last.
CORRECT ANS-shift()
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