How to handle comparison corner cases?

hcc_example-2.js

var arr1 = [];
var arr2 = [];


//1. arr1 == !arr2
//2. [] == false 
//3. "" == false
//4. "" == 0
//5. 0 == 0 
//6. 0 === 0 
if (true) console.log("Yes, it's true!");