JSFiddle - React, Tailwind, and code Playground

HTML

<input class="autocomplete" name="first"/>
<input class="autocomplete" name="second"/>
<input class="autocomplete" name="third"/>

JavaScript

$('.autocomplete').autocomplete({
    source: ['aaa', 'bbb', 'ccc'],
    select: function(event, ui) {
        console.log(event.target.name);
        console.log($(this).prop('name'));
    }
})