CODE EXAMPLE FOR JAVASCRIPT

random unique number generator javascript

// 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);