1
Q
What are arrays used for
A
collection of items, or data, stored in contiguous memory locations, also known as database systems(ordered)
2
Q
Describe array literal notation.
A
a list of zero or more expressions, each of which represents an array element, enclosed in square brackets
3
Q
How are arrays different from “plain” objects?
A
numerically indexed and ordered
4
Q
What number represents the first index of an array?
A
0
5
Q
What is the length property of an array?
A
how many variables are inside the array
6
Q
How do you calculate the last index of an array?
A
the length minus 1 will equal the last index of the array
JavaScript Nathan Chon
flashcards
Decks in class (27)
# Cards
-
JavaScript Primitives and Variables13
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JavaScript Operators and Expressions5
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JavaScript Objects5
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JavaScript Arrays6
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JavaScript Functions7
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JavaScript Methods14
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JavaScript If7
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JavaScript Loops10
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DOM query12
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DOM Events8
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DOM Manipulation7
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JavaScript Forms10
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DOM Creation7
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DOM Event Delegation6
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JavaScript View Swapping7
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JavaScript and JSON5
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JavaScript Local Storage4
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JavaScript Custom Methods10
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JavaScript This8
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JavaScript Prototypes4
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JavaScript Constructors3
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JavaScript Timers5
-
JavaScript AJAX5
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Array- Filter3
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Array Map3
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Array Reduce4
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Closures6
