-
Notifications
You must be signed in to change notification settings - Fork 1
/
6-Math.js
62 lines (46 loc) · 1.39 KB
/
6-Math.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
var firstNumber = 16;
var secondNumber = 12;
var thirdNumber = 2;
var fourthNumber = 3;
console.log(firstNumber + secondNumber); // -> 28
console.log(firstNumber - secondNumber); // -> 4
console.log(firstNumber * secondNumber); // -> 192
console.log(firstNumber / secondNumber); // -> 1.3333333333333333
console.log(firstNumber % secondNumber); // -> 4
/*
Math.pow(base, exponent/power/index)
Exponents / Powers / Indices
or you can use **
*/
Math.pow(2,2); // -> 4
Math.pow(2,3); // -> 8
Math.pow(2,4); // -> 16
console.log(2 ** 4); // -> 16
/*
++x or x++
Increment
*/
var numberIncrementPrefix = ++firstNumber;
console.log(numberIncrementPrefix); // -> 17 (was 16)
var numberIncrementPostfix = secondNumber++;
console.log(numberIncrementPostfix); // -> 12 (was 12)
/*
--x or x--
Decrement
*/
var numberDecrementPrefix = --thirdNumber;
console.log(numberDecrementPrefix); // -> 1 (was 2)
var numberDecrementPostfix = fourthNumber--;
console.log(numberDecrementPostfix); // -> 3 (was 3)
/*
Assignment Operators
Assignemnt =
Addition assignment +=
Subtraction assignment -=
Multiplication assignment *=
Division assignment /=
Remainder assignment %=
Exponentiation assignment **=
*/
fourthNumber = fourthNumber + 2; // was 2, now it's 4
thirdNumber += 2; // was 1, now it's 3