JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" id="testA" name="test">testA</a>
<a href="#" id="testB" name="test">testB</a>    

<div id="showA">showA</div>
<div id="showB">showB111</div>

JavaScript

var arr = ["A","B"];    
for(var i=0;i<arr.length;i++) {
    (function (i) {
        $("#test"+arr[i]).click(function(){
            alert($("#show"+arr[i]).text())
        });
    }(i));
}