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.
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.
What can I use instead of NG-repeat?
You can consider using transclusion inside a custom directive, to achieve the behavior you are looking for without using ng-repeat.
Which directive executes at priority level 1000?
Directive Info This directive creates new scope. This directive executes at priority level 1000.
What is difference between ngFor and Ng-repeat?
ng-repeat created inherited child scope for each element of collection, while *ngFor creates local variable in the that block.
Where is the last element in NG-repeat?
You can use $last variable within ng-repeat directive. Take a look at doc. Where computeCssClass is function of controller which takes sole argument and returns ‘last’ or null .
What is the use of NG-repeat in AngularJS?
Angular-JS ng-repeat directive is a handy tool to repeat a set of HTML code for a number of times or once per item in a collection of items. ng-repeat is mostly used on arrays and objects.
What is the difference between Ng if and ng show ng hide?
ng-if can only render data whenever the condition is true. It doesn’t have any rendered data until the condition is true. ng-show can show and hide the rendered data, that is, it always kept the rendered data and show or hide on the basis of that directives.
What is the difference between Ng-if and ng-show ng hide?
What is Ng-show in AngularJS?
AngularJS ng-show Directive The ng-show directive shows the specified HTML element if the expression evaluates to true, otherwise the HTML element is hidden.
What is the difference between Ng-if and * ngIf?
The difference is that both are not supported in Angular2 😉 at least in current versions – it should be *ngIf or ngIf . Structural directives can be used with explicit tags or implicit tag. For the implicit version a * is required to indicate it is a structural directive.
Why does ngrepeat return a different value for each collection item?
This is due to tracking by $index: when the first collection item is removed, ngRepeat reuses the first DOM element for the new first collection item, and so on. Since the age property is one-time bound, the value remains from the collection item which was previously at this index.
How do I repeat a specific element in ngrepeat?
Special repeat start and end points. To repeat a series of elements instead of just one parent element, ngRepeat (as well as other ng directives) supports extending the range of the repeater by defining explicit start and end points by using ng-repeat-start and ng-repeat-end respectively.
How to extend the range of the repeater using ngrepeat?
To repeat a series of elements instead of just one parent element, ngRepeat (as well as other ng directives) supports extending the range of the repeater by defining explicit start and end points by using ng-repeat-start and ng-repeat-end respectively.
How do I add an empty array to a ng-repeat?
For example: The simplest solution I could find for this was to use an ng-repeat container element, and make use of the $index property that indicates the current item in the ng-repeated array. Then the ‘Add another campus’ button simply binds to a function that pushes an empty array onto the campuses object.