JSFiddle - React, Tailwind, and code Playground

by Pedro Fialho

HTML

<div id="id0_del">Foo</div>
<div id="id1_del">Bar</div>
<div id="id2_del">Baz</div>

CSS

div {
  margin: 8px;
  padding: 8px;
  background: #ded;
}

JavaScript

smth = ['foo', 'bar', 'baz'];

$('div')
    .filter(function() {
        return this.id.match(/^id\d+_del$/);
    })
    .click(function() {
        let id = this.id.match(/id(\d+)_del/)[1];

        $.ajax({
            type: 'POST',
            url: 'delete.php',
            data: {filek : smth[id]},
            success: function(html){
                console.log(html);
            }
        });
    })