JSFiddle - React, Tailwind, and code Playground

HTML

<div class="panel-body">
    <!-- {!! Form::open(array('url'=> 'invoker', 'class' => 'form-horizontal', 'id' => 'form')) !!} -->
    <form>

        <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">Parameters</label>
        </div>
        <div class="form-group">
            <div class="col-sm-offset-2 col-sm-10" id="addText">
                <button type="button" class="btn btn-default" id="addParams">Add Parameter</button>
            </div>
        </div>

    </form>
    <!-- {!! Form::close() !!} -->
</div>

JavaScript

$(document).ready(function () {
    $("#addParams").click(function () {
        $("#addText").append('<br><input type=text class="form-control" name=test value="New Element" />');   
});
    
});