Type Coercion in comparison

in == type coersion happens in === does not.In == for string comparison

toString method on object is called which can be overridden to get desired

result.

Code :

        const pre={}

       

        console.log(pre.toString()); // "[object Object]"

        const obj = {

        toString() {

        return "{}";

        }

        }

        console.log(obj.toString()); // "{}"

        console.log(obj == "{}");    // true

        console.log(obj === "{}");   // false

Output:

        [object Object]

        {}

        true

false