What is use of NG-repeat in AngularJS?

What is use of NG-repeat in AngularJS?

AngularJS ng-repeat Directive 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 you use NG-repeat in a table?

The ng-repeat directive is perfect for displaying tables.

  1. Displaying Data in a Table. Displaying tables with angular is very simple:
  2. Display with orderBy Filter. To sort the table, add an orderBy filter:
  3. Display with uppercase Filter. To display uppercase, add an uppercase filter:
  4. Display the Table Index ($index)

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.

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.

How do I get an index value 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 $Index in AngularJS?

$index is a way to show which iteration of a loop you’re in. If we set up an ng-repeat to repeat over the letters in ‘somewords’, like so: {{$index + 1}}. {{item}}

What is ngInit?

The ngInit directive allows you to evaluate an expression in the current scope. This directive can be abused to add unnecessary amounts of logic into your templates. There are only a few appropriate uses of ngInit : aliasing special properties of ngRepeat , as seen in the demo below.

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 .

Can we have two ng-app in AngularJS?

The first ng-app found in the document will be used to define the root element to auto-bootstrap as an application. In other words, while it is technically possible to have several applications per page, only one ng-app directive will be automatically instantiated and initialized by the Angular framework.

What is the difference between rootScope and scope?

The main difference is the availability of the property assigned with the object. A property assigned with $scope cannot be used outside the controller in which it is defined whereas a property assigned with $rootScope can be used anywhere.

What is Oninit in Angular?

A callback method that is invoked immediately after the default change detector has checked the directive’s data-bound properties for the first time, and before any of the view or content children have been checked. It is invoked only once when the directive is instantiated.