JSFiddle - React, Tailwind, and code Playground
by Cody Lindley
HTML
<script src="https://dl.dropboxusercontent.com/u/2026291/firebug-lite-debug.js"></script>JavaScript
//instanceof does not work on primtive values
console.log("" instanceof String); //logs false
console.log(3 instanceof Number); //logs false
console.log(false instanceof Boolean); //logs false
//instanceof works on complex values (i.e. objects)
console.log(new String() instanceof String); //logs true
console.log(new Number() instanceof Number); //logs true
console.log(new Boolean() instanceof Boolean); //logs true
console.log([] instanceof Array); //logs true
console.log({} instanceof Object); //logs true
console.log(/foo/ instanceof RegExp); //logs true
//be aware
console.log([] instanceof Object); //logs true