JSFiddle - React, Tailwind, and code Playground
by Mitch Greer
JavaScript
alert(isNaN(NaN));
alert(isNaN(10));
alert(isNaN("10"));
alert(isNaN("blue"));
alert(isNaN(true));
by Mitch Greer
alert(isNaN(NaN));
alert(isNaN(10));
alert(isNaN("10"));
alert(isNaN("blue"));
alert(isNaN(true));