JSFiddle - React, Tailwind, and code Playground

by Brent Gonzales

JavaScript

function checkNull1(obj) {
	return
  	(obj.a === null &&
    obj.b === null &&
    obj.c === null)
  ;
}

function checkNull2(obj) {
	var isNull =
  	(obj.a === null &&
    obj.b === null &&
    obj.c === null)
  ;
  
  return isNull;
}

function checkNull3() {
  var nullObj = null;
  return nullObj === null;
}

var object1 = {};
object1.a = null;
object1.b = null;
object1.c = null;

console.log("checkNull1: " + checkNull1(object1));
console.log("checkNull2: " + checkNull2(object1));
console.log("checkNull3: " + checkNull3());