JSFiddle - React, Tailwind, and code Playground

HTML

<div id="items">
    <p class="item">a</p>
    <p class="item">b</p>
    <p class="item">c</p>
    <p class="item">d</p>
    <p class="item">e</p>
</div>

JavaScript

window.onload = function () {
    var items_div = document.getElementById("items");
    var items = items_div.querySelectorAll(".item");
    for (var i = 0; i < items.length; i++) {
        items[i].onclick = myfunction;
    }
};

function myfunction() {
    var val = this.innerHTML;
    alert(val);
}