ngfor Questions

7

Solved

I'm working on a appointment booking app, where I'm displaying time slots for appointments using *ngFor to loop. html <div *ngFor="let item of allTimeSlots"> <div class="col-sm-3"> ...
Stroller asked 22/7, 2017 at 15:13

2

Solved

I use an array to store a list of group objects and an array of a list of light objects. I want to show the first group in the html and all connected lights to that group. After that the next group...
Cremator asked 30/5, 2017 at 22:29

2

Solved

I have two nested *ngFor loops in Angular2. I want to maintain a counter that increments each time the code at the center of the loops is repeated. The counter should go from 0 to the number of ad...
Indiscernible asked 13/2, 2017 at 9:11

1

Solved

I had some confusion regarding ngTemplateOutletContext , specifically how it is passed to ngTemplate or who passes it to ngTemplate which surrounds the element on which *ngFor was applied. The conf...

5

Solved

I'm trying to loop two arrays by using one *ngFor but it doesn't show any element on the browser. I have sample of HTML file below also initialized arrays in component file. HTML file: <tbo...
Colocynth asked 21/9, 2018 at 10:3

2

Solved

I'm using ionic 3, thus angular and typescript. What I'm trying to achieve is to use the ngFor with a Map type. Here is what I have: interface IShared_Position { lat: number; lng: number; time:...
Wallin asked 3/5, 2018 at 13:41

4

Solved

<li *ngFor="let year of paper?.years" class="list-group-item"> <div> <a routerLink="/viewpdf/{{year.questionPaper.fileId}}">Question Paper - {{year.formattedYear }}</a> ...
Maribelmaribelle asked 3/1, 2018 at 6:45

5

Solved

How do I pass the current variable in an ngFor loop to ngIf, if it is using templates with then/else syntax? It appears that they pass through fine when used inline, but aren't accessible from a t...
Rattly asked 11/1, 2018 at 10:11

1

I want to iterate a map and display the keys and values in my html file, for doing that I used Angular's *ngfor with keyvalue pipe. However, there's an error with the ngFor iteration: Argument typ...
Etna asked 25/6, 2020 at 22:35

4

Solved

I have encountered an issue where divs using routerLink get bordered with blue when clicked. I think I am missing something very obvious, possibly even a configuration I have in my browser or some ...
Athwart asked 16/4, 2017 at 17:21

1

Solved

I have an angular component that I want to use in a table with an ngFor but it breaks the table layout. My table looks like: <table class="table table-stripped"> <thead> &lt...
Unclassical asked 30/6, 2020 at 8:40

2

Solved

I am using Angular 4 with the bulma css framework and I am wondering how I can add a new row (or columns class) every third column. The index variable which prints out 0,1,2 0,1,2 etc. was when I ...
February asked 16/8, 2017 at 13:0

6

Following is my Component: import { Component } from 'angular2/core'; @Component({ selector: 'test', template: ` <ul > <li *ngFor="let t of test"> <span >{{t}}</span&g...
Sight asked 14/6, 2016 at 21:21

3

Solved

So my goal is to create a mouseenter/mouseexit event for an individual li's child elements. For my app, when a user mouseenters an li elememt, it's child element div class='thumbs' is added to the ...
Verne asked 7/3, 2018 at 5:29

3

I have a simple generic component in Angular which receives a list of strings and creates a radio group for these strings: @Component({ selector: 'radio-group', templateUrl: `<div *ngFor="...
Pegasus asked 24/1, 2017 at 9:33

2

Solved

Hello everyone here is a simplification of my problem I created elements in my template using *ngfor <table > <thead> <tr> <th *ngFor="let item of array" > {{item}}<...
Winstead asked 20/4, 2020 at 2:48

3

Solved

I was wondering if there is a way in angular2 to loop through an array or a list using *ngFor and skip the first or nth element
Gagarin asked 21/2, 2017 at 16:18

3

Solved

I would like to generate a grid based on unknown rows. The grid is simple with only two columns. One column containing row labels and the other some UI element such as a checkbox. The only way I'...
Foran asked 27/1, 2020 at 17:36

4

Looks like something wrong with freight variable in HTML: Error in app/freightList.component.html:13:8 Error trying to diff '[object Object]' Below is code freight.service.ts =============...
Fraga asked 6/7, 2016 at 5:27

3

Solved

I'm at a loss. I can get horizontal scroll to work fine with just html and css but when i introduce ngFor, it refuses to produce the same effect.. Does anyone have experience with this, or know how...
Qualified asked 29/1, 2019 at 3:27

5

Solved

I've been digging around, and found out that I can use the following to use *ngFor over an object: <div *ngFor="#obj of objs | ObjNgFor">...</div> where ObjNgFor pipe is: @Pipe({ n...
Caridadcarie asked 5/5, 2016 at 8:42

2

I am pretty new to Angular and I was wondering if there is any way to increment the ngFor loop by 2 instead of 1. I am trying to implement two pagination's with in a pagination for which increment...
Collaborate asked 18/7, 2017 at 20:59

2

Solved

let's assume I have the following component: @Component({ selector: 'todo-lib', template: ` <li *ngFor="let todo of libService.todos"> <div class="view"> <label>{{todo.title}...
Attached asked 13/6, 2018 at 17:1

4

Solved

I am using Angular2 and its ngFor. I want to add class to odd and to even rows, so I can separate them visually by color. Here is my code (which does not work really): <div *ngFor="#meeting of...
Heffernan asked 2/4, 2016 at 16:18

5

when fetching json array object from rest api and trying to display in ngfor failed with the reason error EXCEPTION: Cannot find a differ supporting object '[object Object]' of type 'object'. NgF...
Bavaria asked 25/4, 2016 at 11:26

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