JS instance method to randomly generate non-duplicate data_javascript skills

// Define storage to generate random Array of numbers
var array=new Array();
// Loop N times to generate random numbers
for(var i = 0; ; i ){
// Only generate 10 random numbers
if(array.length<10){
generateRandom(10);
}else{
break;
}
}
// Loop through the random number array
for(var i = 0 ; i < array.length; i ){
alert(array[i]);
}
// Method to generate random numbers
function generateRandom( count){
var rand = parseInt(Math.random()*count);
for(var i = 0; i < array.length; i ){
if(array[i] = = rand){
                                                                           ; Run it in Tools: "Scratchpad" to view the results.