Adding dropdowns to divs in Angular applications

Currently, I am attempting to integrate a dropdown feature into a div element. The HTML code for the dropdown is generated dynamically within the code. When clicking on the dropdown button, it appears functional but unfortunately, the dropdown itself does not work as expected. Below is an excerpt from my component file:

import { Component, OnInit, ViewChild, ElementRef } from '@angular/core';
@ViewChild('showfilters') el:ElementRef;


this.el.nativeElement.innerHTML = this.el.nativeElement.innerHTML + `
<div class="dropdown " dropdown>
   <a class="dropdown-toggle  text-light" dropdownToggle> New Dropdown</a>
   <div class="dropdown-menu mt-2 mr-3" *dropdownMenu>
     <a class="dropdown-item"> Profile</a>
     <a class="dropdown-item" href="#">Another action</a>
     <div class="dropdown-divider"></div>
       <a class="dropdown-item"><i class="fa fa-sign-out"></i>New</a></div>
</div>
`;

The HTML snippet:

<div class="showfilters" #showfilters>

For further reference and demonstration, you may view the example I created on StackBlitz.

Answer №1

I highly advise against inserting HTML directly into your component in this manner. Instead, consider utilizing *ngFor with a clever workaround.

Check out the forked version here: https://stackblitz.com/edit/bootstrap-dropdown-angular-xcg7xf

The workaround involves using

*ngFor="let dummy of ' '.repeat(dropDownCount).split('')"

This essentially generates an array with the exact length required for *ngFor to iterate through.

If you still feel the need to include HTML within your component, you may want to refer to this resource: Equivalent of $compile in Angular 2

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