9. Other Flashcards
1
Q
What does === do?
A
Compares value and type (called strict equal to)
2
Q
What function checks if a value is a number or not?
A
isNaN()
(works whether “5” or 5)
3
Q
How to do OR
A
||
4
Q
How to do AND
A
&&
5
Q
How to do NOT
A
!
6
Q
3 parts of a loop
A
- Initialization
- Condition
- Update
7
Q
How to add 1 to i
A
i++
8
Q
var fruits = [“Banana”, “Apple”, “Cherry”]; : how to sort fruits?
A
fruits.sort();
(sorts in alphabetical order or by numbers)
9
Q
var matrix = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
];
console.log(matrix); :
What will print?
A
[Array(3), Array(3), Array(3)]
10
Q
In what are these the comment structures?:
/* This … will be in comment /
/ This is
a multi-line …
comment */
A
CSS and JavaScript (JS)
11
Q
In what is this comment structure?:
<!– This … will be in comment –>
A
HTML
12
Q
In what is this comment structure?:
// this … will be in comment
A
JavaScript only
