How can a=1 and a=2 at the same time?

Question

https://www.sololearn.com/post/249114/?ref=app
I got this question in sololearn challenges but not getting how the object a can be equal 1 and 2 at the same time

Answer 1

Hafsa Hussein

It's because of coercing concept in valueOf method calling when object is created.

Loose equality is generally depended and solve like this in JS

Here is an nice peice of discussion is present have an look here about this concept
https://www.sololearn.com/Discuss/1861584/?ref=app

here is another link which is nicely cooked and dished.

https://codeburst.io/javascript-can-a-1-a-2-a-3-ever-evaluate-to-true-aca13ff4462d