Question

How to generate a set with unique random numbers in a specified range using Node.js

Answer 1

function generateUniqueRandomNumbersSet(total_numbers, max_range) {
    const st = new Set()
     
    while (st.size < total_numbers) {
        st.add(Math.floor(Math.random() * max_range) + 1)
    }
     
    return st
}
 
 
const st = generateUniqueRandomNumbersSet(15, 23);
 
console.log(st);
 
 
 
 
/*
run:
 
Set(15) { 23, 21, 20, 8, 15, 14, 11, 19, 4, 7, 2, 16, 5, 18, 12 }
 
*/

 

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