How to create modal in angular 6

How do you create a common modal in angular 6?

There are three main pieces of code that make up this custom modal implementation:
  1. Modal LESS/CSS styles in /src/app/_content/modal. less.
  2. Angular 6 Modal Service in /src/app/_services/modal. service. ts.
  3. Angular 6 Modal Directive in /src/app/_directives/modal. component. ts.

What is modal in angular?

Modal dialogs are great for when you need to restrict a user to a particular action before they can return to the normal use of the application. Incidentally, that is what I will be showing you today, how to create a logout modal dialog component in Angular (8).

How do I create a modal popup in angular 8?

Angular 9/8 Bootstrap Modal Popup Example
  1. Step 1: Create New App. You can easily create your angular app using bellow command:
  2. Step 2: Install Bootstrap 4. In this step, we will install bootstrap core package.
  3. Step 3: Install Ng Bootstrap.
  4. Step 4: Import Module.
  5. Step 5: Updated View File.
  6. Step 4: Use Component ts File.

How do I create a modal popup in Angularjs 7?

There are three main pieces of code that make up this custom modal implementation:
  1. Modal LESS/CSS styles in /src/app/_content/modal. less.
  2. Angular 7 Modal Service in /src/app/_services/modal. service. ts.
  3. Angular 7 Modal Component in /src/app/_components/modal. component. ts.

What is a modal dialog box?

Definition: A modal dialog is a dialog that appears on top of the main content and moves the system into a special mode requiring user interaction. This dialog disables the main content until the user explicitly interacts with the modal dialog.

What is ng template in angular?

As the name suggests the <ngtemplate> is a template element that Angular uses with structural directives ( *ngIf , *ngFor , [ngSwitch] and custom directives). These template elements only work in the presence of structural directives.

What is EventEmitter in angular?

? Event Emitters in Angular ?

Data flows into your component via property bindings and flows out of your component through event bindings. If you want your component to notify his parent about something you can use the Output decorator with EventEmitter to create a custom event.

What is a ng-template?

ngtemplate is an Angular element used to render HTML templates. We use ngtemplate with angular *ngIf directive to display else template.

What is difference between ng container and ng-template?

To sum up, ng-content is used to display children in a template, ngcontainer is used as a non-rendered container to avoid having to add a span or a div , and ngtemplate allows you to group some content that is not rendered directly but can be used in other places of your template or you code.

Can we have ng-container inside ng-template?

Also, multiple structural directives are not possible inside ngtemplate but ngcontainer can be used to wrap multiple elements containing different structural directives so it is a perfect container.

What is angular Ng content?

The ngcontent tag is used for content projection. It is basically a placeholder to hold the dynamic content until it is parsed. Once the template is parsed, Angular replaces the tag with content.

How do I disable ng-template?

AngularJS ngdisabled Directive

The ngdisabled directive sets the disabled attribute of a form field (input, select, or textarea). The form field will be disabled if the expression inside the ngdisabled attribute returns true.

What is square bracket in angular?

property binding uses the square brackets to indicate to Angular the property of an element that should be updated when the data-bound variable changes. The element could be an HTMLElement ( span , h1 , input , etc) or a Component element (a custom element defined using the @Component decorator).

How do I hide ng container?

AngularJS nghide Directive

The nghide directive hides the HTML element if the expression evaluates to true. nghide is also a predefined CSS class in AngularJS, and sets the element’s display to none .

Can I apply class to Ng-container?

ngcontainer allows us to create a division or section in a template without introducing a new HTML element. The ngcontainer does not render in the DOM, but content inside it is rendered. ngcontainer is not a directive, component, class, or interface, but just a syntax element.

Should I use ngIf or hidden?

There is actually a performance difference between them: ngIf will comment out the data if the expression is false. This way the data are not even loaded, causing HTML to load faster. [hidden] will load the data and mark them with the hidden HTML attribute.

Can I add class to Ng-container?

<ngcontainer> is rendered as an HTML comment. So ngcontainer is useful when you want to conditionaly append a group of elements (ie using *ngIf=”foo” ) in your application but don’t want to wrap them with another element. .. and you don’t want the output be wrapped in a container.

Can we use ngFor and ngIf in same div?

In Angular, we cannot use two structural directives on the same element. i.e., we cannot place *ngFor,*ngIf together on same element.

What is Viewencapsulation in angular?

Emulated view encapsulation (the default) emulates the behavior of shadow DOM by preprocessing (and renaming) the CSS code to effectively scope the CSS to the component’s view. For details, see Inspecting generated CSS below. None means that Angular does no view encapsulation. Angular adds the CSS to the global styles.

What does ng container do?

<ngcontainer> is a logical container that can be used to group nodes but is not rendered in the DOM tree as a node. <ngcontainer> is rendered as an HTML comment. So now we can do this: Nice!

How do I use TemplateRef?

Access a TemplateRef instance by placing a directive on an <ng-template> element (or directive prefixed with * ). The TemplateRef for the embedded view is injected into the constructor of the directive, using the TemplateRef token.

What is the difference between ElementRef and TemplateRef?

The simplest wrapper around a DOM element is ElementRef . For templates you have TemplateRef that allows you to create an embedded view. Host views can be accessed on componentRef created using ComponentFactoryResolver . The views can be manipulated with ViewContainerRef .