finlabsindia/wp-content/plugins/ninja-forms/includes/Templates/fields-terms.html

<script id="tmpl-nf-field-terms" type="text/template">
    <ul aria-describedby="nf-error-{{{ data.id }}}">
        {{{ data.renderOptions() }}}
        <# if( ( 'undefined' != typeof add_new_terms ) && add_new_terms ) { #>
        <li>
            <input type="text" class="extra-value nf-element">
            <button class="extra">{{{ nfi18n.fieldsTermsAdd }}}</button>
        </li>
        <# } #>
    </ul>
</script>