Is it possible to manually activate a dropdown event using pure JavaScript?

I am attempting to manually trigger a dropdown event using JavaScript. Below is the function where I am trying to achieve this. I have successfully halted the initial event that occurs and now I need to initiate a dropdown event.

stopNavigationTriggerDropDown(event: any){
     event.stopImmediatePropagation();
     event.stopPropagation();
     event.preventDefault();

     //code to manually trigger dropdown event
}

Here is the corresponding HTML code:

<tr (click)="goToPlan(plan)">
    <td>....</td>...
    <td>
       <div class="input-group">
           <button (click)="stopNavigationTriggerDropDown($event)" type="button" class="btnTransparent" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
               <i class="fa fa-ellipsis-h"></i>
               <span class="sr-only">Toggle Dropdown</span>
           </button>
         <div class="dropdown-menu dropdown-menu-right">
            <a class="dropdown-item" (click)="action(apl)">Go</a>
         </div>
        </div>
      </td> 
  </tr>

I am specifically seeking solutions using pure JavaScript as I cannot use jQuery in this scenario. Despite finding examples online that utilize jQuery, I require a purely JavaScript approach. Thank you all for your help!

Answer №1

There are a couple of ways to achieve this task.

Method 1: Using the fire button's click event

var btn = document.getElementsByClassName("example");
btn.click();

Method 2: Generating and triggering an event on the page (refer to: https://developer.mozilla.org/en-US/docs/Web/Guide/Events/Creating_and_triggering_events)

var btn = document.getElementsByClassName("example");
var customEvent = new Event('click');
btn.dispatchEvent(customEvent);

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