var arraySize = 100;

var rawArray = [];

for (var i = 0; i < arraySize; i++) {
	rawArray.push(i);
};

var newArray = [];

for (var i = 0; i < arraySize; i++) {
	var currentRandom = Math.floor(Math.random()*rawArray.length);
	newArray.push(rawArray.splice(currentRandom, 1)[0]);
};

newArray;