JSFiddle - React, Tailwind, and code Playground

HTML

<span class="toggle">test 1</span><br />
<span class="toggle">test 2</span><br />
<span class="toggle">test 3</span>

JavaScript

var togglebuttons = document.getElementsByClassName('toggle');
for ( var i=0;i<togglebuttons.length;i++ ) {
    togglebuttons[i].onclick = toggle;

}

function toggle(){
    alert('click');
}