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

<script id="tmpl-nf-field-date" type="text/template">
	<input id="nf-field-{{{ data.id }}}" name="nf-field-{{{ data.id }}}" aria-invalid="false" aria-describedby="nf-error-{{{ data.id }}}" class="{{{ data.renderClasses() }}} nf-element datepicker"
	       aria-labelledby="nf-label-field-{{{ data.id }}}"
			{{{ data.maybeRequired() }}}
	       type="date" value="{{{ data.value }}}" {{{ data.renderPlaceholder() }}}>
</script>