零零碎碎

• 1、ngFor
  <div *ngFor='let i of itm'>{{i}}<div/>
• 2、(click)延迟处理

<!-- tappable  解决click延迟 -->
<div tappable (click)='goDetails(12)'>
   点击
</div>

• 3、ngClass

<div [ngClass]="{active: isActive}">      //栗子一
<div [class.active]="isActive">           //栗子二

• 3、NgIf

<div *ngIf="false"></div>

• 4、NgSwitch

<div class="container">
   <div *ngIf="myVar == 'A'">Var is A</div>
   <div *ngIf="myVar == 'B'">Var is B</div>
   <div *ngIf="myVar == 'C'">Var is C</div>
   <div *ngIf="myVar != 'A' && myVar != 'B' && myVar != 'C'">
            Var is something else
   </div>
</div>

5、创建页面

 ionic g page xxx