Question

How to generating random numbers in a specific range in Javascript

Answer 1

var i;

// 20 numbers between: 1 - 10

for (i = 1; i < 20; i++)
    document.write((Math.floor(Math.random() * (10 - 1 + 1)) + 1) + "<br />");    
            
/*
run:
  
1
7
3
4
5
6
5
1
1
4
9
2
1
4
8
7
1
7
8
  
*/

 

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Answer 2

var i;

// 30 numbers between: 1 - 100

var max = 100
var min = 1;

for (i = 1; i < 30; i++)
    document.write((Math.floor(Math.random() * (max - min + 1)) + min) + "<br />");    
            
/*
run:
  
25
92
77
29
100
60
60
33
40
20
84
58
35
22
47
45
44
99
1
81
75
82
10
67
24
86
49
76
69
  
*/

 

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