JSFiddle - React, Tailwind, and code Playground
by user645715
HTML
<div id="output"></div>
JavaScript
var strings = ['1', '1.25', '0', '0.0', '1.2e+03', '0x65', '0xA123', 'two', '3+2', 'pi', '"2"', "'2'", "Math.sum(1,3)"];
for (var i=0; i<strings.length; i++) {
var res = [strings[i], (isNaN(strings[i])?'NaN':'Number')];
$('<div/>', {
text: JSON.stringify(res)
}).appendTo("#output");
}