JSFiddle - React, Tailwind, and code Playground
HTML
<a href="#" onclick="return window['at_26']()">Click</a><br/>
<a href="#" onclick="return at_26()">Click</a><br />
<a href="#" onclick="return myScope.at_26()">Click</a><br />
JavaScript
var temp1='at_26';
window[temp1]=function() {alert("Inside 26"); return false}
var myScope = {
"at_26":function() {alert("Inside 26"); return false}
}