Question

How to generate a set with unique random numbers in a specified range using Javascript

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, 21);
  
console.log(st);
  
  
  
/*
run:
  
Set(15) { 16, 17, 10, 19, 13, 8, 20, 2, 3, 15, 4, 12, 9, 7, 6 }
  
*/

 

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