1(0 ==  '0') // true
2(0 === '0') // false
3
4('' ==  0 ) // true, the string will implicitly be converted to an integer
5('' === 0 ) // false, no implicit cast is being made
6

1/**
2* In js :
3* == it convert the variable values to the same data type before performing comparison.
4* example : comparison between string and interger data type
5*/
6(5 == "5") // returns true
7
8// === it does not convert data type of variable before performing comparison.
9// example:
10(5 === "5") // return false

1== Equal to (1 == 1, 1 == "1") // equal in value ("1" is a string)
2=== Equal value and equal type (1 === 1 but, 1 !== "1" // not equal type