Menu Close

How do I reset the input type file?

How do I reset the input type file?

There’s 3 ways to clear file input with javascript:

  1. set value property to empty or null. Works for IE11+ and other modern browsers.
  2. Create an new file input element and replace the old one. The disadvantage is you will lose event listeners and expando properties.
  3. Reset the owner form via form. reset() method.

How do you pass an 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 Ng-repeat?

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. Here “MyObjectName” is a collection that can be an object or an array and you can access each value inside it using a “keyName”.

How do you use two ng-repeat in a table?

NEST TWO ng-repeat The first ng-repeat in the tr tag will create the rows and the second one in the td tag will create one column per element in the collection. By using one ng-repeat for the row and an other for the column, the rows and the columns of your table is now driven by a subset.

How does ng-repeat work?

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.

What is the difference between Ng if and ng show ng hide?

The ng-hide directive shows or hides the given HTML element based on the expression provided to the ng-hide attribute . ng-if can only render data whenever 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 difference between Ng bind and NG-model?

ng-bind is also used for data binding but unlike ng-bind it supports only one way data binding.It is used for displaying model properties as innerHTML of html elements such as div and span. This is unlike ng-model which is used for binding input fields and supports two way data binding.

How do you find the value of an NG-model?

To bind the value of widgets that provide a value() method to the AngularJS scope, use the standard ng-model directive. The following example demonstrates how to bind the input field to the scope variable. When you select a date, the birthday variable is set to the value of the input field as a string.

How do you write an NG-model?

The ng-model directive binds the value of HTML controls (input, select, textarea) to application data….The ng-model directive adds/removes the following classes, according to the status of the form field:

  1. ng-empty.
  2. ng-not-empty.
  3. ng-touched.
  4. ng-untouched.
  5. ng-valid.
  6. ng-invalid.
  7. ng-dirty.
  8. ng-pending.

What is a model in angular?

The model in an MVC-based application is generally responsible for modeling the data used in the view and handling user interactions such as clicking on buttons, scrolling, or causing other changes in the view. In basic examples, AngularJS uses the $scope object as the model.

What does ng bind do?

The ng-bind Directive in AngularJS is used to bind/replace the text content of any particular HTML element with the value that is entered in the given expression. The value of specified HTML content updates whenever the value of the expression changes in ng-bind directive.

How do you bind an NG model?

Use the ngModel selector to activate it. It accepts a domain model as an optional Input . If you have a one-way binding to ngModel with [] syntax, changing the domain model’s value in the component class sets the value in the view.

How do you use NG if?

The ngIf directive syntax looks like this:

  1. ngIf=”condition”>Content to render when condition is true.
  2. <ng-template [ngIf]=”condition”> Content to render when condition is true.
  3. ngIf=”condition; else elseBlock”> Content to render when condition is true.

What is Ng bind HTML?

The AngularJS ng-bind-html directive is used to bind content to an HTML element securely. It evaluates the expressions and inserts the resulting HTML into the element in a secure way. By default, the resulting HTML content will be sanitized using the $sanitize service.

Is ng-bind-HTML safe?

The ng-bind-html directive is a secure way of binding content to an HTML element. When you are letting AngularJS write HTML in your application, you should check the HTML for dangerous code.

How do I install ngSanitize?

ng-tip 1: How to use ngSanitize

  1. Download angular-sanitize module and include it in the html page.
  2. add ngSanitize in the module dependencies, var app = angular. module(‘myApp’, [‘ngSanitize’]);
  3. Add the required expression in the controller: $scope. variable = ‘Hello World! ‘;
  4. In the view page:

How does an NG controller work?

The ng-controller directive adds a controller to your application. In the controller you can write code, and make functions and variables, which will be parts of an object, available inside the current HTML element. In AngularJS this object is called a scope.

Can we have multiple Ng-controller?

An AngularJS application can contain one or more controllers as needed, in real application a good approach is to create a new controller for every significant view within the application. This approach will make your code cleaner and easy to maintain and upgrade. Angular creates one $scope object for each controller.

What is $scope angular?

The $scope in an AngularJS is a built-in object, which contains application data and methods. You can create properties to a $scope object inside a controller function and assign a value or function to it. The $scope is glue between a controller and view (HTML).

How you can share data between controller and view?

The other way of passing the data from Controller to View can be by passing an object of the model class to the View. Erase the code of ViewData and pass the object of model class in return view. Import the binding object of model class at the top of Index View and access the properties by @Model.

Which are the methods are used to render partial view?

Rendering a Partial View You can render the partial view in the parent view using the HTML helper methods: @html. Partial() , @html. RenderPartial() , and @html. RenderAction() .