function shuffle(arra1) {  
    var ctr = arra1.length, temp, index;  
  
// While there are elements in the array  
    while (ctr > 0) {  
// Pick a random index  
        index = Math.floor(Math.random() * ctr);  
// Decrease ctr by 1  
        ctr--;  
// And swap the last element with it  
        temp = arra1[ctr];  
        arra1[ctr] = arra1[index];  
        arra1[index] = temp;  
    }  
    return arra1;  
}  
var myArray = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];  
console.log(shuffle(myArray));  