How to randomly generate numbers without repetition in javascript?

Question

I want to generate each number between 0 to 4 randomly using javascript and each number can appear only once. So I wrote the code:

for(var l=0; l<5; l++)          


        

Answer 1

Appreciate all your help. But probably another way to generate random number in a given max range can be implemented as per below.

function generateRan(){
    var max = 20;
    var random = [];
    for(var i = 0;i