Tips for retrieving every value within a for loop in AngularJS

When I try to alert this code, I am only getting the last value of the id. I can't figure out where I might be going wrong.

  $scope.addToList = function (products,qty) {
    if ($scope.order.length > 0) {
        for (var i = 0; i < $scope.order.length; i++) {
            $scope.Thx=$scope.order[i].id;
        }
    }
};

alert($scope.Thx);

Answer №1

To start, make sure to initialize the $scope.Thx variable as an array.

$scope.Thx = [];

$scope.addToList = function (products, qty) {
    if ($scope.order.length > 0) {
        for (var i = 0; i < $scope.order.length; i++) {
            $scope.Thx.push($scope.order[i].id);
        }
    }
};

Answer №2

With each iteration in the loop, this line replaces the value of $scope.Thx.

$scope.Thx=$scope.order[i].id;

There are two different approaches to achieve the desired outcome. 1. If you prefer an alert for each item in the array:

$scope.addToList = function (products, qty) {
if ($scope.order.length > 0) {
    for (var i = 0; i < $scope.order.length; i++) {
        $scope.Thx=$scope.order[i].id;
        alert($scope.Thx);
        }}};

2. If you want a single alert for all items, initialize $scope.Thx as an array first.

$scope.Thx = [];
$scope.addToList = function (products, qty) {
if ($scope.order.length > 0) {
    for (var i = 0; i < $scope.order.length; i++) {
        $scope.Thx.push($scope.order[i].id);
    }
}
};
var tempVar="";
for(var i=0; i<$scope.Thx.length;i++)
{
    tempVar += $scope.Thx[0]+"\n";
}
alert(tempVar);

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