javascript - Generate unique random numbers between 1 and 100

Question

How can I generate some unique random numbers between 1 and 100 using JavaScript?

question from:https://stackoverflow.com/questions/65943488/javascript-generate-a-unique-x-numbers-base-on-the-range-set-given

Answer 1

For example: To generate 8 unique random numbers and store them to an array, you can simply do this:

var arr = [];
while(arr.length < 8){
    var r = Math.floor(Math.random() * 100) + 1;
    if(arr.indexOf(r) === -1) arr.push(r);
}
console.log(arr);