How can I add items to an array in JavaScript?

Question

I have this code :

$http(req).then(function success(response) {
    // $scope.table = { fields: [1,2] };
    $scope.table = { fields: [] };
    for (var i = 0; i < 9; i++) {
        // add elements from response to $scope.table
    }
});

The question is: how do I add elements to my variable $scope.table?
As we know, variables in JavaScript are not strongly-typed. I can't find any documentation that explains how to manage a type generated by something like this { ID: [] }.

Sᴀᴍ Onᴇᴌᴀ · Accepted Answer · 2017-04-05 22:15:03Z

4

Actually, the variable $scope.table is an Object which has an array property (at key) fields. With that array, use array.prototype.push() to add elements to the end of the array.

e.g.

$http(req).then(function success(response) {
// $scope.table = { fields: [1,2] };
$scope.table = { fields: [] };
for (var i = 0; i < 9; i++) {
    // add elements from response to $scope.table
    $scope.table.fields.push(response[i]);
 }

edited Apr 5, 2017 at 22:15

answered Nov 4, 2016 at 22:39

Sᴀᴍ Onᴇᴌᴀ

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1 Comment

Facundo Laxalde Over a year ago

Hi Sam, thanks for the explanation, your solution worked perfectly!

George Kagan · Accepted Answer · 2016-11-04 22:38:20Z

3

It doesn't have anything to do with JS being strongly-typed or not.
Simply access the fields array using the notion below:

$scope.table.fields.push(i);

Put it inside your for loop.

answered Nov 4, 2016 at 22:38

George Kagan

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