Question

How to use Math.random() with Math.floor() and for loop to get a random number between min and max in JavaScript

Answer 1

var min = 31;
var max  = 35;
var n;

n = Math.floor(Math.random() * (max - min + 1)) + min;
document.write(n + "<br />");

 
/*
run

35
 
*/

 

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Answer 2

var min = 31;
var max  = 35;
var n;

for (var i = 0; i < 10; i++)
{
    n = Math.floor(Math.random() * (max - min + 1)) + min;
    document.write(n + "<br />");
}

 
/*
run

31
35
35
31
32
33
33
35
34
32
 
*/

 

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