50 random unique elements from an array of 1000 elemens?

Question

What is the simplest way to get 50 random unique elements from an array of 1000 elements ?

text = new Array();
for(i=0;i<1000;i++){ text[i]=i; }   //array         


        

Answer 1

Math.random() * 1000;

Generate 50 random numbers and use them as the position in the array.