Does ng-repeat allow duplicates?
AngularJS does not allow duplicates in a ng-repeat directive. This means if you are trying to do the following, you will get an error.
How do you prevent duplicates in NG-repeat?
You can use unique filter while using ng-repeat . If you use track by $index then unique won’t work.
How does ng-repeat work?
The ng-repeat directive repeats a set of HTML, a given number of times. The set of HTML will be repeated once per item in a collection. The collection must be an array or an object. Note: Each instance of the repetition is given its own scope, which consist of the current item.
How do I get current index in NG-repeat?
Note: The $index variable is used to get the Index of the Row created by ng-repeat directive. Each row of the HTML Table consists of a Button which has been assigned ng-click directive. The $index variable is passed as parameter to the GetRowIndex function.
What is difference between ng-repeat and Ng for?
ng-repeat created inherited child scope for each element of collection, while *ngFor creates local variable in the that block.
What is difference between data ng-repeat and Ng repeat?
1 Answer. They are aliases. Angular allows both in order to name a directive. The data-ng-repeat allows the HTML to be validated through validators that do not understand Angular.
What is the correct way to apply multiple filters in AngularJS?
Answer: A is the correct option. The syntax of applying multiple filters in AngularJS can be written as: {{ expression | filter1 | filter2 | }}
Can I use duplicates in ng-repeat directives?
AngularJS does not allow duplicates in a ng-repeat directive. This means if you are trying to do the following, you will get an error. // This code throws the error “Duplicates in a repeater are not allowed.
Can ng-repeat be nested within another ng-repeat?
As you can see the ng-repeat where the filter is being used is nested within another ng-repeat The filter is defined like this:
What does ngangular ng-repeat error mean?
Angular ng-repeat Error “Duplicates in a repeater are not allowed.” Ask Question Asked8 years, 4 months ago Active3 years, 4 months ago Viewed330k times 478 117 I am defining a custom filter like so:
How to add a unique filter to the ng option?
You could use the unique filter from AngularUI (source code available here: AngularUI unique filter) and use it directly in the ng-options (or ng-repeat). Or you can write your own filter using lodash.
