JSFiddle - React, Tailwind, and code Playground

by lucaslazaro

HTML

<div class="col-lg-12">

    <div class="field_wrapper form-group col-sm-12">
        <div class="form-group col-sm-4">
            <input type="text" name="id[]" value="" class="form-control"/>
        </div>
        <div class="form-group col-sm-4">
            <input type="text" name="name[]" value="" class="form-control"/>
        </div>
        <div class="form-group col-sm-4">
            <a href="javascript:void(0);" class="add_button btn btn-primary" title="Add field">Adicionar Valor</a>
        </div>
    </div>

</div>

JavaScript

$(document).ready(function(){
    var maxField = 10; //Input fields increment limitation
    var addButton = $('.add_button'); //Add button selector
    var wrapper = $('.field_wrapper'); //Input field wrapper
    //var fieldHTML = '<div><input type="text" name="field_name[]" value=""/><a href="javascript:void(0);" class="remove_button btn btn-danger2" title="Remove field">Remover</a></div>'; //New input field html 
    var fieldHTML = '<div class="field_wrapper form-group col-sm-12"><div class="form-group col-sm-4"><input type="text" name="id[]" value="" class="form-control"/></div><div class="form-group col-sm-4"><input type="text" name="name[]" value="" class="form-control"/></div><div class="form-group col-sm-4"><a href="javascript:void(0);" class="remove_button btn btn-primary" title="Add field">Remover</a></div></div>'; //New input field html 
    var x = 1; //Initial field counter is 1
    $(addButton).click(function(){ //Once add button is clicked
        if(x < maxField){ //Check maximum number of input fields
            x++; //Increment field counter
            $(wrapper).append(fieldHTML); // Add field html
        }
    });
    $(wrapper).on('click', '.remove_button', function(e){ //Once remove button is clicked
        e.preventDefault();
        $(this).closest('.field_wrapper').remove(); //Remove field html
        x--; //Decrement field counter
    });
});