javascript - concatenation of two arrays -


i have array:

$scope.array2 = ["3","4","5"]; $scope.array = [["1"],["2"],["3"]]; $scope.array[0].concat(array2);

expected output:

$scope.array = [["1","3","4","5"],["2"],["3"]];

but array unchanged after concat. how can solve problem?

to desired result, you'd have this:

$scope.array2 = ["3","4","5"]; $scope.array = [["1"],["2"],["3"]]; $scope.array[0] = $scope.array[0].concat($scope.array2);

array.prototype.concat returns result, instead of modifying it's subject.
you'll have save result of contact $scope.array[0].

also, have @ @phil's answer, using push, returns desired result, without having assign result separately.


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