Check if value exists in the array (AngularJS) [duplicate]

February 27, 2023 by Tarik

You could use indexOf function.

if(list.indexOf(createItem.artNr) !== -1) {
  $scope.message="artNr already exists!";
}

More about indexOf:

http://www.w3schools.com/jsref/jsref_indexof_array.asp
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf