Angular 4 - Show and hide components

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I have the next components in the same html file.

<app-form></app-form>
<app-results [hidden]="isOn"></app-results>
<app-contact-primary [hidden]="!isOn"></<app-contact-primary>
<app-contact-second [hidden]="!isOn"></app-contact-second>

In component "app-form", I have two buttons:

<button pButton label="Contact" (click)="">Contact</button>
<button pButton label="Results" (click)="">Results</button>

If I do click on button "Contact" must to show the component "app-contact-primary" and "app-contact-second" and to hide the "app-results" component.

But if I do click in button "Results" must to hide components "app-contact-primary" and "app-contact-second" and show "app-results" component.

How I could do it?

Thanks

you can use hidden proprty or ngIf directive :

<app-form></app-form>
<app-results *ngIf="isOn"></app-results>
<app-contact-primary *ngIf="!isOn"></<app-contact-primary>
<app-contact-second *ngIf="!isOn"></app-contact-second>

<button pButton label="Contact" (click)="isOn= false">Contact</button>
<button pButton label="Results" (click)="isOn= true">Results</button>

How to Show Hide or Toggle Elements in Angular 4, I wish to show and hide the elements with the click of a button. In my example here, I am using the *ngIf directive in Angular 4 to toggle or show and hide elements. The Angular 4 ngIf will add or remove an elements from the DOM, based on a condition such as true or false. I wish to show and hide the elements with the click of a button. In my example here, I am using the *ngIf directive in Angular 4 to toggle or show and hide elements. The Angular 4 ngIf will add or remove an elements from the DOM, based on a condition such as true or false .

Just make the variable true and false

<button pButton label="Contact" (click)="isOn = true">Contact</button>
<button pButton label="Results" (click)="isOn = false">Results</button>

Difference Between NgIf And Hidden Or Display:none In Angular , And even though the component is hidden, the component will be attached to its DOM element. It will keep on listening for events. Angular keep  Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Just Using it

public show: boolean = false;
public buttonName: any = true;

toggle() {
    this.show = !this.show;
    if(this.show)
        this.buttonName = false;
    else
        this.buttonName = true;
}

<div *ngIf="show">
<textarea #todoitem class="></textarea>
</div>
<button type="button" (click)="addItem('status')">Add</button>
<button type="button" (click)="toggle()">Close</button>
<div *ngIf="buttonName">
<a (click)="toggle()"><i class="fa fa-plus text-white"></i></a>
</div>

Property & Event Binding • Angular, How can I hide a component and show another one by clicking on the button using angular 4? I placed an id on the row and when it first load all of the rows disappear. When I click on the button it trigger the onShow method with the reportId as an argument. How can I make the particular row show in Angualr 8? Thank you for everyone's suggestion and help. I am able to hide the row at the beginning and when click the button show the row.

When exactly is component destroyed?, doesn't manipulate HTML attributes, it manipulates DOM properties because the DOM is what actually gets displayed. ngShow and ngHide are two ng directives in AngularJS used to show and hide the elements respectively. ngShow is used to show a div tab by linking it to a Boolean variable in the script. If the value of the variable is true then the item is displayed, else the item remains hidden and the vice versa happens in the case of ngHide.

How to hide a component and show another one by clicking on the , How can I hide a component and show another one by clicking on the button using Angular 4? Ad by F5. This is different of the hidden directive because it does not show / hide the element, but it add / remove from the DOM. You can loose unsaved data of the element. It can be the better choice for an edit component that is cancelled.

Angular Directives Tutorial For Beginners - ngIf, This Angular tutorial covers the use of the core directive ngIf, as well as two other alternative way Duration: 4:02 Posted: 20 May 2016 First, you need to listen to clicks on the button. The easiest way to do this is an event-binding: [code]<button (click) ="toggle()" >Toggle</";button&gt; [/code]Now, when you click the button, the ” toggle” - method of your component gets called.

Comments
  • Yes, I tried it before but nothing happened maybe I have to pass "isOn" as parameter at component , from son to father and to father to son, the four components are inside the component "app-main", this would be the component father.
  • Would this trigger the ngcycle events after condition gets satisfied?
  • Buy doing this we have to hookup our own cycle of navigation to the entire application the default back will not work. Is this okay to have the entire application follow this structure of showing and hiding components ?