JS 数组去重

Array.prototype.unique3 = function(){ //数组去重
var res = [];
var json = {};
for(var i = 0; i < this.length; i++){
if(!json[this[i]]){
res.push(this[i]);
json[this[i]] = 1;
}
}
return res;
}

$scope.selectedShops=$scope.selectedShops.unique3();

JS 数组去重

原文：http://www.cnblogs.com/kelly007/p/4680503.html