JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" name="tel[]" value="1-1"><br>
<input type="text" name="tel[]" value="1-2"><br>

JavaScript

$(document).ready(
	function(){
        $('input[name="tel[]"').bind('blur', function(){
            alert(this.value);
		});
    }
);