JSFiddle - React, Tailwind, and code Playground

by Vladymyr Shevchuk

JavaScript

isObject(x);

// [[Class]]


isObject({});   // true
isObject([]);   // false
isObject(null); // false
isObject(1);    // false

isObject(a) {
	return Object.prototype.toString.call(a); // [object String], [object Array], [object Number], [object Null]
}