NgFor

Ngfor index

<ul>
    <li *ngFor="let item of items; let i = index" [attr.data-index]="i">
        {{item}}
    </li>
</ul>

Source: stackoverflow.com

Ngfor

      <li *ngFor="let item of items; index as i; trackBy: trackByFn">...</li>

Source: angular.io

Ngfor

                <td *ngFor="let col of options.cols;index as i">
                        {{item[i]}} //Angular solution
                </td>

NgFor

//for 
<div *ngFor='let [data] of [dataArray]; let i=index;'>
  <h2> {{i}} {{data.title}} </h2>
  <img src='{{data.image}}' />
  </div>   
  //the data contained in an array will be displayed element by element
  //similar to the function .map() in React

Similar codes

0 vote331 views1 answer
Remove wordpress products all at once
TypeScript
0 vote319 views1 answer
Empty string in typescript
TypeScript
0 vote294 views1 answer
Typescript code region
TypeScript
0 vote305 views1 answer
Change div with css
TypeScript
1 vote312 views1 answer
Ionic 3 alert backdrop dismiss
TypeScript
11 votes330 views1 answer
Properties of all electromagnetic waves
TypeScript
1 vote297 views1 answer
Typescript type check only
TypeScript
29 votes314 views4 answers
File ng.ps1 cannot be loaded because running scripts is disabled on this system.
TypeScript
0 vote395 views1 answer
Error TS2503: Cannot find namespace 'google'. 10 @Input() mapOptions: google.maps.MapOptions;
TypeScript
0 vote314 views1 answer
Ionic email validation
TypeScript