JSFiddle - React, Tailwind, and code Playground

HTML

<select name="main_dropdown">
        <option value="Option1">Option 1</option>
        <option value="Option2">Option 2</option>
    </select>
    
    <select name="secondary_dropdown">
        <option value="Option1">Option 1</option>
        <option value="Option2">Option 2</option> // Let's say i want to remove this option tag if Option2 in main_dropdown is selected.
        <option value="Option3">Option 2</option>
    </select>

JavaScript

$(document).ready(function(){
       $('select[name=main_dropdown]').bind('change',function(){
          if($(this).val() == 'Option2') $('select[name=secondary_dropdown] option[value=Option2]').remove();
        });   
     });