*ngIf

*ngIf=” “

  1. # app.component.html
  2. <div  *ngFor="let item of list">
  3.     <div *ngIf="item>3">
  4.         {{item}}
  5.     </div>
  6. </div>
  1. # app.component.ts
  2. import { Component } from '@angular/core';
  4. @Component({
  5.   //根主键
  6.   selector: 'app-root',
  7.   templateUrl: './app.component.html',
  8.   styleUrls: ['./app.component.css']
  9. })
  10. export class AppComponent {
  11.   title = 'my-app';
  12.   list:Array<number> = [1,2,3,4,5,6];
  13.   handleClick():void{
  14.     console.log(this.title);
  15.     this.title = 'change'
  16.   }
  17. }