Question

How to generate random number in Node.js

Answer 1

let i = 0;
     
while (i < 20) {
    let number =  Math.floor(Math.random() * (8)); // 0 - 7
    console.log(number);
    i++;
}
 
 
 
 
/*
run:
 
1
6
0
6
4
4
3
4
6
7
7
2
5
3
5
3
5
7
4
7
 
*/

 

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Answer 2

for (let i = 0; i < 20; i++)
    console.log(Math.floor(Math.random() * 10));  // 0 - 9
 
 
 
 
/*
run:
 
4
8
9
4
7
7
3
6
6
1
1
0
3
1
3
4
8
1
9
9
 
*/

 

Cleaner teeth, healthier you!
Get The Secret to a Bright and Healthy Smile

Answer 3

const n = Math.random();
  
console.log(n);
   
   
   
   
   
/*
run:
  
0.15304185934544656
   
*/

 

Cleaner teeth, healthier you!
Get The Secret to a Bright and Healthy Smile

Answer 4

const n = Math.random() * 10;
  
console.log(n);
   
   
   
   
   
/*
run:
  
4.003934410536152
   
*/

 

Cleaner teeth, healthier you!
Get The Secret to a Bright and Healthy Smile