Why onchange event not working for elementor??

Hello I am developing a WP elementor widget. There I want to get value(onchange event) from Select dropdown but its not working in onchange event. Below code is from elementor dropdown:

<select id=”elementor-control-default-c776″ data-setting=”lead_contact”>
<option value=”Contacts”>contact</option>
<option value=”Leads”>Lead</option>
</select>