JSFiddle - React, Tailwind, and code Playground
JavaScript
a_103 = setInterval( function (){ alert('oi');},1000);
id = 103;
id = "a_" + id;
clearInterval(eval(id));
a_103 = setInterval( function (){ alert('oi');},1000);
id = 103;
id = "a_" + id;
clearInterval(eval(id));