JSFiddle - React, Tailwind, and code Playground

HTML

<fieldset>
  <div class="input_fields_wrap">
    <button class="add_field_button">Add More Fields</button>
<!--    <div><input type="text" name="mytext[]"></div>
    <div><input type="text" name="mytext[]"></div>-->
</div>
    </fieldset>
         <fieldset>


<div class="input_fields_wrap1">
    <button class="add_field_button1">Add More Fields</button>
<!--    <div><input type="text" name="mytext[]"></div>
    <div><input type="text" name="mytext[]"></div>-->
</div>
                </fieldset>

JavaScript

$(document).ready(function() {
    var max_fields     = Infinity; //maximum input boxes allowed
    var wrapper         = $(".input_fields_wrap");
    var wrapper1         = $(".input_fields_wrap1"); //Fields wrapper
    var add_button      = $(".add_field_button"); //Add button ID
       var add_button1   = $(".add_field_button1"); 
    
    var x = 1; //initlal text box count
    $(add_button).click(function(e){ //on add input button click
        e.preventDefault();
        if(x < max_fields){ //max input box allowed
            x++; //text box increment
            $(wrapper).append('<div><input type="text" name="mytextPrimero[]"/><input type="text" name="mytextSegundo[]"/><a href="#" class="remove_field">Remove</a></div>'); //add input box
        }
    });
        
       var x = 1; //initlal text box count
    $(add_button1).click(function(e){ //on add input button click
        e.preventDefault();
        if(x < max_fields){ //max input box allowed
            x++; //text box increment
            $(wrapper1).append('<div><input type="text" name="mytextPrimeroA[]"/><input type="text" name="mytextSegundoA[]"/><a href="#" class="remove_field">Remove</a></div>'); //add input box
        }
    });
    
    $(wrapper).on("click",".remove_field", function(e){ //user click on remove text
        e.preventDefault(); $(this).parent('div').remove(); x--;
    })
    $(wrapper1).on("click",".remove_field", function(e){ //user click on remove text
        e.preventDefault(); $(this).parent('div').remove(); x--;
    })
});